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发明名称
Propelling system for boats
摘要
申请公布号
US3175530(A)
申请公布日期
1965.03.30
申请号
US19620168447
申请日期
1962.01.24
申请人
KNUT GORAN KNUTSSON
发明人
PETTERSON ADOLF HELMER
分类号
B63H20/14;B63H25/42
主分类号
B63H20/14
代理机构
代理人
主权项
地址
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