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发明名称
DEVICE FOR SEALING BLAST HOLES
摘要
申请公布号
SU1262056(A1)
申请公布日期
1986.10.07
申请号
SU19853917174
申请日期
1985.05.08
申请人
DO GI PROEKTIROVANIYA ORGANIZATSII SHAKHTNOGO STROITELSTVA
发明人
SAPRONOV VITALIJ T,SU;VELICHKO VIKTOR S,SU;RUBINSKIJ ALEKSEJ A,SU;IVANOV IVAN S,SU;NEDOSEKIN BORIS N,SU
分类号
E21F5/02;E21F7/00
主分类号
E21F5/02
代理机构
代理人
主权项
地址
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