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发明名称
Improvements relating to pressure-responsive valves
摘要
申请公布号
GB590712(A)
申请公布日期
1947.07.25
申请号
GB19450003496
申请日期
1945.02.12
申请人
ELECTROL INCORPORATED
发明人
分类号
F16K15/02
主分类号
F16K15/02
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代理人
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