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发明名称
Frame assembly for diaphragmoperated valve
摘要
申请公布号
US2301978(A)
申请公布日期
1942.11.17
申请号
US19410388673
申请日期
1941.04.15
申请人
SIGNALNESS ALFRED M
发明人
SIGNALNESS ALFRED M.
分类号
F16K31/126
主分类号
F16K31/126
代理机构
代理人
主权项
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