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道路交通噪声降低设备. 测定声学性能的试验方法. 第5部分: 内在特性. 直接声场条件下声反射的原位值; 德文版本EN 1793-5-2016+AC-2018
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - In situ values of sound reflection under direct sound field conditions; German version EN 1793-5:2016+AC:2018
参考页数：65P.;A4
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道路交通噪声降低设备. 测定声学性能的试验方法. 第5部分: 内在特性. 直接声场条件下声反射的原位值; 德文版本EN 1793-5-2016+AC-2018
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - In situ values of sound reflection under direct sound field conditions; German version EN 1793-5:2016+AC:2018
参考页数：65P.;A4
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污水工程用人孔盖
Manhole covers for sewerage works
参考页数：44P;A4
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道路安全护栏. 简易钢护栏(A和B型材). 组成、操作和组成部分
Road safety barriers - Simple steel guard rails (profiles A and B) - Composition, operation and constituent parts
参考页数：47P.;A4
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路标材料. 道路使用者的道路标识性能和试验方法
Road marking materials - Road marking performance for road users and test methods
参考页数：36P.;A4
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道路安全护栏. 双钢护栏(A和B型材). 组成、操作和组成部分
Road safety barriers - Double steel guard rails (profiles A and B) - Composition, operation and constituent parts
参考页数：40P.;A4
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道路噪音减低装置.非声学性能.第1部分:机械性能和稳定性要求
Road traffic noise reducing devices - Non-acoustic performance - Part 1 : mechanical performance and stability requirements
参考页数：34P.;A4
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Road safety barriers - Reinforced concrete and metal safety barriers of types BN1 and BN2 - Composition, operation, installation, mounting and constituent parts
参考页数：33P.;A4
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道路设备支撑结构的被动安全性. 要求和试验方法：德文和英文版本prEN 12767:2017
Passive safety of support structures for road equipment - Requirements and test methods; German and English version prEN 12767:2017
参考页数：141P.;A4
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