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发明名称
Semelles pour pinces à tubes
摘要
申请公布号
FR1390218(A)
申请公布日期
1965.02.26
申请号
FR19630950791
申请日期
1963.10.16
申请人
发明人
MONTGOMERY JESSE SHIVERS;HUTTON WILLIAM CALDWELL
分类号
E21B19/16
主分类号
E21B19/16
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代理人
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