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经营范围
发明名称
METHOD OF AIRING THE EXCAVATION AREA
摘要
申请公布号
SU1507987(A1)
申请公布日期
1989.09.15
申请号
SU19864078860
申请日期
1986.06.18
申请人
GNI, üPOEKTHO-KOHCTPÔKTOPCKôö ô üPOEKTHÕö Ô×OóÓHÕö ôHCTôTÔT C ÜKCüEPôMEHTAóÓHÕM ³ABO¯OM "üEÚOPHôôüPOEKT"
发明人
FABIYANSKIJ LEONID V,SU;PANTELEEV ANATOLIJ S,SU
分类号
E21F1/00
主分类号
E21F1/00
代理机构
代理人
主权项
地址
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