I.S. EN 1793-4-2015 标准详情
- 标准号:I.S. EN 1793-4-2015
- 中文标题:
- 英文标题:Road Traffic Noise Reducing Devices - Test Method for Determining the Acoustic Performance - Part 4: Intrinsic Characteristics - in Situ Values of Sound Diffraction
- 标准类别:爱尔兰国家标准I.S.
- 发布日期:
Defines a test method for determining the intrinsic characteristics of sound diffraction of added devices installed on the top of traffic noise reducing devices.
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