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发明名称
Two-way check valve
摘要
申请公布号
US2761463(A)
申请公布日期
1956.09.04
申请号
US19530398789
申请日期
1953.12.17
申请人
WILLIAM WAGNER
发明人
WAGNER WILLIAM
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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