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发明名称
Valve
摘要
申请公布号
US2420589(A)
申请公布日期
1947.05.13
申请号
US19430514054
申请日期
1943.12.13
申请人
ROHLM MANUFACTURING COMPANY, INC.
发明人
DUNNIHOO JOHN RUSSELL
分类号
F16K11/16
主分类号
F16K11/16
代理机构
代理人
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地址
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