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发明名称
Motor boat installation
摘要
申请公布号
US1840948(A)
申请公布日期
1932.01.12
申请号
US19300502411
申请日期
1930.12.15
申请人
WILLARD HARVEY JAMES
发明人
HARVEY JAMES WILLARD
分类号
B63H20/04
主分类号
B63H20/04
代理机构
代理人
主权项
地址
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