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发明名称
Piston for internal combustion engine
摘要
申请公布号
US2740677(A)
申请公布日期
1956.04.03
申请号
US19530340764
申请日期
1953.03.06
申请人
LITCHFIELD EVERETT S
发明人
LITCHFIELD EVERETT S.
分类号
F16J9/20
主分类号
F16J9/20
代理机构
代理人
主权项
地址
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