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经营范围
发明名称
Internal combustion engine
摘要
申请公布号
US2248989(A)
申请公布日期
1941.07.15
申请号
US19390292226
申请日期
1939.08.28
申请人
EDWARD HANSON
发明人
HANSON EDWARD
分类号
F02B23/00
主分类号
F02B23/00
代理机构
代理人
主权项
地址
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