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发明名称
Engine
摘要
申请公布号
US2252961(A)
申请公布日期
1941.08.19
申请号
US19380248225
申请日期
1938.12.29
申请人
CAMPBELL DONALD J
发明人
CAMPBELL DONALD J.
分类号
F02M31/14
主分类号
F02M31/14
代理机构
代理人
主权项
地址
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