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经营范围
发明名称
Marine propulsion
摘要
申请公布号
US2021815(A)
申请公布日期
1935.11.19
申请号
US19340743003
申请日期
1934.09.06
申请人
STROUT RAY D
发明人
STROUT RAY D.
分类号
B63H19/02
主分类号
B63H19/02
代理机构
代理人
主权项
地址
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