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发明名称
Engine-valve mechanism
摘要
申请公布号
US1759555(A)
申请公布日期
1930.05.20
申请号
US19290365192
申请日期
1929.05.22
申请人
HUMES ERNEST E
发明人
HUMES ERNEST E.
分类号
F01L15/08
主分类号
F01L15/08
代理机构
代理人
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地址
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