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发明名称
WORKING MEMBER OF HEADER
摘要
申请公布号
SU840349(A1)
申请公布日期
1981.06.23
申请号
SU19792748425
申请日期
1979.04.05
申请人
TSNI PK I PROKHODCHESKIKH MASHIN KOMPLEKSOV DLYA UGOLNOJ, ×OPHOö üPOMÕÛóEHHOCTô ô üO¯³EMHO×O CTPOôTEóÓCTBA
发明人
LEONENKO YURIJ N,SU;ABKIN ANISIM A,SU;SHULTS VIKTOR D,SU
分类号
E21C35/22;(IPC1-7):E21C35/22
主分类号
E21C35/22
代理机构
代理人
主权项
地址
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