DIN EN 969 A1
用于天然气管道的球墨铸铁管、管件、附件及其连接件 - 要求和试验方法
Ductile iron pipes, fittings, accessories and their joints for gas pipelines - Requirements and test methods
查看详情 ↗原文资料
Ductile iron 与“球墨铸铁”相关的标准资料,支持在当前标签内搜索。
Ductile iron pipes, fittings, accessories and their joints for gas pipelines - Requirements and test methods