标准查询 标准查询工业阀门.法兰管系统使用的金属阀的面至面和中心至面的尺寸.PN和类别标识阀
Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves.
相关服务
搜索标准
搜索标准
标准查询Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves.
