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发明名称
PRESSURE FEED TYPE DRILL APPARATUS
摘要
申请公布号
JPS5761195(A)
申请公布日期
1982.04.13
申请号
JP19800136509
申请日期
1980.09.29
申请人
SHINGIJIYUTSU KAIHATSU KK
发明人
YOSHIMURA SHINGO;YAMAKADO NORIO
分类号
E21B7/04;E21D9/06
主分类号
E21B7/04
代理机构
代理人
主权项
地址
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