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发明名称
METHOD FOR VENTILATION OF BLIND WORKINGS
摘要
申请公布号
RU2085747(C1)
申请公布日期
1997.07.27
申请号
RU19940040231
申请日期
1994.10.28
申请人
AKTSIONERNOE OBSHCHESTVO "URALKALIJ"
发明人
ALYMENKO NIKOLAJ I;MININ VADIM V;KRASNOSHTEJN ARKADIJ E;PAPULOV LEV M;FOMINYKH VYACHESLAV I
分类号
E21F1/00;(IPC1-7):E21F1/00
主分类号
E21F1/00
代理机构
代理人
主权项
地址
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