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经营范围
发明名称
Tunnel boat
摘要
申请公布号
US1827859(A)
申请公布日期
1931.10.20
申请号
US19300443399
申请日期
1930.04.11
申请人
TAYLOR DAVID W
发明人
TAYLOR DAVID W.
分类号
B63H5/14
主分类号
B63H5/14
代理机构
代理人
主权项
地址
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