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发明名称
Pipe anchor
摘要
申请公布号
US2280076(A)
申请公布日期
1942.04.21
申请号
US19400314057
申请日期
1940.01.16
申请人
BYRON JACKSON CO.
发明人
MULLINIX GIRD E.
分类号
E21B23/01
主分类号
E21B23/01
代理机构
代理人
主权项
地址
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