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燃气用钢骨架聚乙烯塑料复合管及管件
Steel framed polyethylene plastic pipes and fittings for supply of gaseous fuels
价格：￥0.00
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城镇燃气用二甲醚应用技术规程(附条文说明)
价格：￥0.00
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城镇燃气埋地钢质管道腐蚀控制技术规程
Technical specification for external corrosion control of buried steel pipeline for city gas
价格：￥0.00
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燃气用铝合金衬塑复合管材及管件
Aluminum-plastic laminated pipe and fitting for the supply of gaseous fuels
价格：￥0.00
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超声波水表
Ultrasonic water meter
价格：￥0.00
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电磁式燃气紧急切断阀
Electro-magnetic emergency shut-off valve for gas
价格：￥0.00
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燃气冷热电三联供工程技术规程
Technical specification for gas-fired combined cooling, heating and power engineering
价格：￥0.00
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城镇燃气切断阀和放散阀
Slam-shut valves and relief valves for city gas
价格：￥0.00
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家用燃具自动截止阀
Automatic shut-off valves for gas-burning appliances
价格：￥0.00
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城镇燃气管道非开挖修复更新工程技术规程(附条文说明)
Technical specification for trenchless rehabilitation and replacement engineering of city gas pipe
价格：￥0.00
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