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经营范围
发明名称
METHOD OF PRODUCING UNDERGROUND VOIDS
摘要
申请公布号
SU1606696(A1)
申请公布日期
1990.11.15
申请号
SU19884626758
申请日期
1988.12.27
申请人
EREVANSKIJ POLT I IM.K.MARKSA
发明人
AGABALYAN YURIJ A,SU;AKOPOV EDUARD M,SU;DURGARYAN SUREN M,SU;OGANESYAN ARMEN G,SU;GEVORKYAN ARKADIJ A,SU;ZAKARYAN ARTAVAZD M,SU;NADZHARYAN ALBERT M,SU
分类号
E21C41/16;(IPC1-7):E21C41/16
主分类号
E21C41/16
代理机构
代理人
主权项
地址
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