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发明名称
Valve structure for internal combustion engines
摘要
申请公布号
US1855634(A)
申请公布日期
1932.04.26
申请号
US19280308255
申请日期
1928.09.25
申请人
INGALLS ROLLIN R
发明人
INGALLS ROLLIN R.
分类号
F01L3/20
主分类号
F01L3/20
代理机构
代理人
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