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行车区和步行区的水沟顶盖和检修孔顶盖. 第4部分: 钢筋混凝土制成的水沟顶盖和检修孔顶盖
Gully tops and manhole tops for vehicular and pedestrian areas - Part 4 : gully tops and manhole tops made of steel reinforced concrete
参考页数：39P.;A4
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行车区和步行区的水沟顶盖和检修孔顶盖. 第3部分: 钢或铝合金制成的水沟顶盖和检修孔顶盖
Gully tops and manhole tops for vehicular and pedestrian areas - Part 3 : gully tops and manhole tops made of steel or aluminium alloys
参考页数：43P.;A4
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道路交通噪音降低设备.长期效能评估程序.第1部分:声学特性
Road traffic noise reducing devices - Procedures for assessing long term performance - Part 1 : acoustical characteristics
参考页数：17P.;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4部分: 内在特性. 声音衍射的原位值
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4 : intrinsic characteristics - In situ values of sound diffraction
参考页数：41P.;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：26P;A4
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道路交通噪音降低装置.非声学性能.第2部分:一般安全性和环境要求
Road traffic noise reducing devices - Non-acoustic performance - Part 2 : general safety and environmental requirements.
参考页数：27P;A4
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道路交通噪音减弱装置.测定声性能的试验方法.第6部分:内在特性.直达声场条件下空气传声歌吟的现场值
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: intrinsic characteristics - In situ values of airborne sound insulation under direct sound field conditions
参考页数：44P;A4
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道路标记材料.反光路钉.第1部分:初始性能要求
Road marking materials - Retroreflecting road studs - Part 1 : initial performance requirements.
参考页数：27P;A4
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道路标记材料.道路用户用道路标记性能
Road marking materials - Road marking performance for road users.
参考页数：27P;A4
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道路标记材料.道路使用者用道路标记性能
Road marking materials - Road marking performance for road users.
参考页数：3P;A4
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