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经营范围
发明名称
Rotary internal combustion engine
摘要
申请公布号
US1970569(A)
申请公布日期
1934.08.21
申请号
US19290395318
申请日期
1929.09.26
申请人
RENE LACHAPELLE
发明人
LACHAPELLE RENE
分类号
F02B53/00
主分类号
F02B53/00
代理机构
代理人
主权项
地址
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