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发明名称
Improvements in or relating to diaphragm assemblies more especially for relief and by-pass valve assemblies
摘要
申请公布号
GB610324(A)
申请公布日期
1948.10.14
申请号
GB19450014359
申请日期
1945.06.07
申请人
THOMPSON PRODUCTS, INC.
发明人
分类号
F16K17/08
主分类号
F16K17/08
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代理人
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