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发明名称
Impeller for water craft
摘要
申请公布号
US1925912(A)
申请公布日期
1933.09.05
申请号
US19320634954
申请日期
1932.09.26
申请人
STROUT RAY D
发明人
STROUT RAY D.
分类号
B63H1/36
主分类号
B63H1/36
代理机构
代理人
主权项
地址
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