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发明名称
Automatic check valve
摘要
申请公布号
US1854467(A)
申请公布日期
1932.04.19
申请号
US19260114458
申请日期
1926.06.08
申请人
FOURNESS DEVELOPMENT CORPORATION LTD.
发明人
FOURNESS WILFRED
分类号
F16K15/14
主分类号
F16K15/14
代理机构
代理人
主权项
地址
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