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[DB43/T 1299-2017] 可调式防沉降井盖[现行]
发布时间：2017-05-05
实施时间：2017-05-20
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发布时间：2017-05-05
实施时间：2017-05-20
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[CJ/T 211-2005] 聚合物基复合材料检查井盖[现行]
发布时间：2005-05-16
实施时间：2005-10-01
本标准规定了聚合物基复合材料检查井盖的分类、承载等级、技术要求、试验方法、检验规则及标志等。本标准适..
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[CJ/T 212-2005] 聚合物基复合材料水箅[现行]
发布时间：2005-05-16
实施时间：2005-10-01
本标准规定了聚合物基复合材料水箅的分类、承载等级、技术要求、试验方法、检验规则及标志等。本标准适用于..
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发布时间：1993-05-03
实施时间：1993-12-01
本标准规定了铸造检查井盖的承载等级、技术要求、试验方法、检验规则、标志。本标准适用于安装在城市道路、..
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