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经营范围
发明名称
Air cooled cylinder for internal combustion engines
摘要
申请公布号
US1997502(A)
申请公布日期
1935.04.09
申请号
US19330694146
申请日期
1933.10.18
申请人
SELD JR ALEX FREIHERR VON;ARNOLD GUMPRECHT
发明人
JR. ALEX FREIHERR VON SELD,;GUMPRECHT ARNOLD
分类号
F02F1/06
主分类号
F02F1/06
代理机构
代理人
主权项
地址
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