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发明名称
Valve bearing
摘要
申请公布号
US1763350(A)
申请公布日期
1930.06.10
申请号
US19280326553
申请日期
1928.12.17
申请人
RICHARD FRANCIS JACOB
发明人
FRANCIS JACOB RICHARD
分类号
F02M31/08;F16K1/22
主分类号
F02M31/08
代理机构
代理人
主权项
地址
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