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经营范围
发明名称
ROOF-CONTROL METHOD
摘要
申请公布号
SU810972(A1)
申请公布日期
1981.03.07
申请号
SU19792771759
申请日期
1979.05.28
申请人
DO NI UGOLNYJ INSTITUT
发明人
STEPANOVICH GENNADIJ YA,SU;OSTAPENKO ALEKSANDR F,SU;NIKOLENKO NIKOLAJ A,SU;ILIN ANATOLIJ ,SU;VITKA MIKHAIL A,SU;ZINOVENKO VLADIMIR ,SU;ARBITAN ARKADIJ A,SU;VORZHEVA ZINAIDA F,SU
分类号
(IPC1-7):E21C41/04
主分类号
(IPC1-7):E21C41/04
代理机构
代理人
主权项
地址
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