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发明名称
AUTOMATIC LUBRICATING DEVICE FOR ROD FOR DRILLING
摘要
申请公布号
JPS62148168(A)
申请公布日期
1987.07.02
申请号
JP19850286500
申请日期
1985.12.19
申请人
FURUKAWA MINING CO LTD
发明人
TOBE KENGO
分类号
B25D17/26;E21B17/00
主分类号
B25D17/26
代理机构
代理人
主权项
地址
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