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发明名称
APPARATUS FOR HOLDING HOLE MAKING APPARATUS
摘要
申请公布号
JPS57197390(A)
申请公布日期
1982.12.03
申请号
JP19810083328
申请日期
1981.05.29
申请人
SHINMEIWA KOGYO KK
发明人
HIROSE HIROMICHI
分类号
E21B7/00;E21B7/02
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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