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经营范围
发明名称
METHOD FOR FORMATION OF WORKING SUPPORT BY CONCRETE SPRAYING
摘要
申请公布号
RU1800044(C)
申请公布日期
1993.03.07
申请号
SU19914932285
申请日期
1991.02.12
申请人
SILANTEV ALEKSANDR S,SU;SIVTSEV NIKOLAJ S,SU
发明人
SILANTEV ALEKSANDR S,SU;SIVTSEV NIKOLAJ S,SU
分类号
E21D11/10
主分类号
E21D11/10
代理机构
代理人
主权项
地址
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