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经营范围
发明名称
DEVICE FOR SECURING TOOLS OF MINING MACHINES
摘要
申请公布号
SU905449(A1)
申请公布日期
1982.02.15
申请号
SU19802921890
申请日期
1980.05.08
申请人
KALININ VLADIMIR A,SU
发明人
KALININ VLADIMIR A,SU
分类号
E21C35/19;(IPC1-7):E21C25/46
主分类号
E21C35/19
代理机构
代理人
主权项
地址
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