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发明名称
Valve guide
摘要
申请公布号
US1754144(A)
申请公布日期
1930.04.08
申请号
US19290367517
申请日期
1929.05.31
申请人
BRUTSCHER GEORGE H
发明人
BRUTSCHER GEORGE H.
分类号
F01L3/18
主分类号
F01L3/18
代理机构
代理人
主权项
地址
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