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发明名称
Internal combustion engine piston
摘要
申请公布号
US2970020(A)
申请公布日期
1961.01.31
申请号
US19580777435
申请日期
1958.12.01
申请人
GENERAL MOTORS CORPORATION
发明人
JOHNSON RALPH H.
分类号
F02F3/02
主分类号
F02F3/02
代理机构
代理人
主权项
地址
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