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发明名称
Boat propelling device
摘要
申请公布号
US2026888(A)
申请公布日期
1936.01.07
申请号
US19330692599
申请日期
1933.10.07
申请人
ALBERT GRANGER
发明人
GRANGER ALBERT
分类号
B63H1/32
主分类号
B63H1/32
代理机构
代理人
主权项
地址
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