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发明名称
Manually operated boat propelling mechanism
摘要
申请公布号
US2664064(A)
申请公布日期
1953.12.29
申请号
US19520266047
申请日期
1952.01.11
申请人
PRENOSIL SR JOSEPH FRANK
发明人
SR. JOSEPH FRANK PRENOSIL,
分类号
B63H16/00;B63H16/20
主分类号
B63H16/00
代理机构
代理人
主权项
地址
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