圆形插板阀的简单介绍
圆形插板阀
圆形插板阀的详细信息
圆形插板阀manual butt-clamp knife gate valve
圆形插板阀
设计制造 Design and manufacture: JB/T8691-1998 结构长度 structural length: GB/T15188.2-94 法兰连接 Flange connection: GB/T9113.1-2000 JB/T79-94 试验与验收 testing and acceptance:GB/T13927-92]
圆形插板阀
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