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发明名称
Remotely adjustable fishing jar
摘要
申请公布号
US4919219(A)
申请公布日期
1990.04.24
申请号
US19890299227
申请日期
1989.01.23
申请人
TAYLOR, WILLIAM T.
发明人
TAYLOR, WILLIAM T.
分类号
E21B23/00;E21B31/107
主分类号
E21B23/00
代理机构
代理人
主权项
地址
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