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发明名称
Piston for internal combustion motors
摘要
申请公布号
US2070085(A)
申请公布日期
1937.02.09
申请号
US19330668687
申请日期
1933.05.01
申请人
LONG ELMER C
发明人
LONG ELMER C.
分类号
F16J1/06
主分类号
F16J1/06
代理机构
代理人
主权项
地址
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