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发明名称
Valve
摘要
申请公布号
US2310516(A)
申请公布日期
1943.02.09
申请号
US19400318258
申请日期
1940.02.10
申请人
SQUARE D COMPANY
发明人
CLARK GEORGE H.
分类号
F16K31/42
主分类号
F16K31/42
代理机构
代理人
主权项
地址
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