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经营范围
发明名称
MINE VENTILATION FAN
摘要
申请公布号
PL270212(A1)
申请公布日期
1989.07.24
申请号
PL19880270212
申请日期
1988.01.18
申请人
POLMAG
发明人
RUDZKI EUGENIUSZ;WROBLEWSKI ANDRZEJ;LABEJKO ADOLF;PAWLIK ROMAN;HOSZEK BARBARA;KOLPACZKIEWICZ JAROSLAW
分类号
E21F;F04D;(IPC1-7):F04D/;E21F/
主分类号
E21F
代理机构
代理人
主权项
地址
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