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发明名称
Fishing tool
摘要
申请公布号
US1749869(A)
申请公布日期
1930.03.11
申请号
US19280315710
申请日期
1928.10.29
申请人
BAUMBACH ALBERT G
发明人
BAUMBACH ALBERT G.
分类号
E21B31/18
主分类号
E21B31/18
代理机构
代理人
主权项
地址
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