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发明名称
DRILL JAMBO
摘要
申请公布号
JPS6016693(A)
申请公布日期
1985.01.28
申请号
JP19830122319
申请日期
1983.07.07
申请人
TOBISHIMA KENSETSU KK
发明人
SAEGUSA TOSHIHARU
分类号
E21D9/00;E21B7/02;E21B15/00;E21B19/08;(IPC1-7):E21C11/02
主分类号
E21D9/00
代理机构
代理人
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