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经营范围
发明名称
Propulsion wheel
摘要
申请公布号
US1829920(A)
申请公布日期
1931.11.03
申请号
US19290399035
申请日期
1929.10.11
申请人
AYCOCK WILLIE E
发明人
AYCOCK WILLIE E.
分类号
B63H1/04
主分类号
B63H1/04
代理机构
代理人
主权项
地址
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