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发明名称
Pressure reducing valve device
摘要
申请公布号
US2635392(A)
申请公布日期
1953.04.21
申请号
US19450637965
申请日期
1945.12.29
申请人
LOUIS GRATZMULLER JEAN
发明人
GRATZMULLER JEAN LOUIS
分类号
G05D16/06
主分类号
G05D16/06
代理机构
代理人
主权项
地址
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