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发明名称
FILTERING AND VENTILATION APPARATUS FOR WELDING PROCESS
摘要
申请公布号
SU1666161(A1)
申请公布日期
1991.07.30
申请号
SU19894732924
申请日期
1989.08.30
申请人
VNII OKHRANY TRUDA VTSSPS
发明人
KOUZOV PETR A,SU;GRIMITLIN MOISEJ I,SU;TSYGANKOV STANISLAV N,SU;GORDON ALBERT T,SU
分类号
B01D46/02
主分类号
B01D46/02
代理机构
代理人
主权项
地址
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