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发明名称
Track and groove internal combustion engine
摘要
申请公布号
US2173303(A)
申请公布日期
1939.09.19
申请号
US19380191220
申请日期
1938.02.18
申请人
KOEHLER EDWARD C
发明人
KOEHLER EDWARD C.
分类号
F01B9/06;F02B75/32
主分类号
F01B9/06
代理机构
代理人
主权项
地址
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