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经营范围
发明名称
STEEL-CONCRETE MINE SUPPORT
摘要
申请公布号
SU1624170(A1)
申请公布日期
1991.01.30
申请号
SU19894666199
申请日期
1989.02.21
申请人
VOYIDZKOVAYIA SNADZT 74969
发明人
MIKNAYILOV VYIASNEDZLAV V,SU;KARNAUKNOV VLADIMIR V,SU;DZNARDZKIYI ALEKDZANDR DZ,SU;MIKNAYILOVDZKIYI DMITRIYI I,SU;KORZN TATYIANA YI,SU
分类号
E21D5/00
主分类号
E21D5/00
代理机构
代理人
主权项
地址
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