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发明名称
APPARATUS FOR FORMING ASCENDING WORKINGS
摘要
申请公布号
SU1420164(A1)
申请公布日期
1988.08.30
申请号
SU19853954331
申请日期
1985.09.19
申请人
INST GEOTEKHNICHESKOI MEKHANI
发明人
POLUYANSKIJ STANISLAV A,SU;NESTERENKO VLADIMIR I,SU;NESTERENKO YURIJ V,SU;SAVITSKIJ YURIJ P,SU;KHOLYAVCHENKO LEONID T,SU
分类号
E21D3/00
主分类号
E21D3/00
代理机构
代理人
主权项
地址
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