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发明名称
Valve
摘要
申请公布号
US2301859(A)
申请公布日期
1942.11.10
申请号
US19400363288
申请日期
1940.10.29
申请人
MINE SAFETY APPLIANCES COMPANY
发明人
DAUSTER JOHN F.
分类号
A62B9/02;F16K15/03
主分类号
A62B9/02
代理机构
代理人
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地址
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