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发明名称
SCREW-TYPE WORK-PERFORMING MEMBER OF COAL-WINNING MACHINE
摘要
申请公布号
SU610993(A1)
申请公布日期
1978.06.15
申请号
SU19762424866
申请日期
1976.11.30
申请人
G PK I UGOLNOGO MASHINOSTROENIYA
发明人
GRIDIN YURIJ A,SU;SMIRNOV MIKHAIL ,SU;SPEKTOR YURIJ N,SU;SAMSONOV GEORGIJ N,SU;ZHARKOV VIKTOR A,SU;CHERNYAEV PAVEL V,SU
分类号
E21C25/04;(IPC1-7):E21C25/04
主分类号
E21C25/04
代理机构
代理人
主权项
地址
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