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发明名称
Method of and means for propelling water craft
摘要
申请公布号
US1805597(A)
申请公布日期
1931.05.19
申请号
US19300429679
申请日期
1930.02.19
申请人
MCKENZIE PRATT ALEXANDER
发明人
PRATT ALEXANDER MCKENZIE
分类号
B63H5/15;B63H11/12
主分类号
B63H5/15
代理机构
代理人
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