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发明名称
Check valve
摘要
申请公布号
US2144952(A)
申请公布日期
1939.01.24
申请号
US19370144124
申请日期
1937.05.22
申请人
SCOVILL MANUFACTURING COMPANY
发明人
WILLIAMS SELDEN T.;ROUNDS ROBERT
分类号
B60S5/04
主分类号
B60S5/04
代理机构
代理人
主权项
地址
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