| 1. |
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AFNOR NF EN ISO 3744 |
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2009-NOV-01 • 现用 •
Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane
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| 2. |
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AFNOR NF EN ISO 3744 |
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1995-NOV-01 • 现用 •
Acoustics. Determination of sound power levels of noise sources using sound prssure. Engineering method in an essentially free field over a reflecting plane.
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| 3. |
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BSI BS EN ISO 3744 |
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1994-OCT-14 • 现用 •
Acoustics - Determination of Sound Power Levels of Noise Sources Using Sound Pressure - Engineering Method in an Essentially Free Field over a Reflecting Plane
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| 4. |
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BSI BS ISO 3744 |
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1994-JAN-01 • 已撤销 •
Acoustics - Determination of Sound Power Levels of Noise Sources Using Sound Pressure - Engineering Method in an Essentially Free Field Over a Reflecting Plane (Renumbered as BS EN ISO 3744: 1995) (F)
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| 5. |
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CEN EN ISO 3744 |
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1995-JAN-01 • 现用 •
Acoustics - Determination of Sound Power Levels of Noise Sources Using Sound Pressure - Engineering Method in an Essentially Free Field Over a Reflecting Plane (ISO 3744 : 1994)
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| 6. |
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DIN DIN EN ISO 3744 |
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2009-NOV-01 • 现用 •
Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane (ISO 3744:1994); German version EN ISO 3744:2009
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| 7. |
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DIN DIN EN ISO 3744 |
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1995-NOV-01 • 已撤销 •
Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane (ISO 3744:1994)
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| 8. |
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DIN DIN EN ISO 3744 |
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1995-NOV-01 • 已撤销 •
Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essential free field over a reflecting plane (ISO 3744:1994); German version EN ISO 3744:1995
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| 9. |
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DIN DIN EN ISO 3744 |
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2006-JUL-01 • 待定/草稿 •
(DRAFT) Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering method for an essentially free field over a reflecting plane (ISO/DIS 3744:2006); German version prEN ISO 3744:2006
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| 10. |
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DIN DIN EN ISO 3744/A1 |
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2009-MAY-01 • 待定/草稿 •
(DRAFT) Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane (ISO 3744:1994); English version FprEN ISO 3744:2009, Amendment 1
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