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发明名称
Check valve
摘要
申请公布号
US2289556(A)
申请公布日期
1942.07.14
申请号
US19410400735
申请日期
1941.07.02
申请人
CRANE CO.
发明人
STOYKE LUDWIG T.
分类号
F16K15/02
主分类号
F16K15/02
代理机构
代理人
主权项
地址
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