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发明名称
Fishing tool
摘要
申请公布号
US1754344(A)
申请公布日期
1930.04.15
申请号
US19280309983
申请日期
1928.10.03
申请人
JOHN GRANT
发明人
ALOI MILLIO FRANK
分类号
E21B31/20
主分类号
E21B31/20
代理机构
代理人
主权项
地址
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