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发明名称
Pressure fluid control
摘要
申请公布号
US2970193(A)
申请公布日期
1961.01.31
申请号
US19580780307
申请日期
1958.12.15
申请人
LOUIS GRATZMULLER JEAN
发明人
GRATZMULLER JEAN LOUIS
分类号
F15B21/08;H01H33/34
主分类号
F15B21/08
代理机构
代理人
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