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经营范围
发明名称
Manually propelled craft
摘要
申请公布号
US2269575(A)
申请公布日期
1942.01.13
申请号
US19400347985
申请日期
1940.07.27
申请人
MAYWOOD BETHEL
发明人
BETHEL MAYWOOD
分类号
A63B35/10
主分类号
A63B35/10
代理机构
代理人
主权项
地址
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