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发明名称
APPARATUS FOR MOUNTING ROTARY ELEMENT OF DRILLING MACHINE
摘要
申请公布号
JPS62288291(A)
申请公布日期
1987.12.15
申请号
JP19870110920
申请日期
1987.05.08
申请人
TAMPELLA AB:OY
发明人
YARUMO HAINONEN
分类号
B23B45/16;E21B1/38;E21B6/00
主分类号
B23B45/16
代理机构
代理人
主权项
地址
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