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发明名称
DEPOLLUTION DE L'AIR ATMOSPHERIQUE PAR TIRAGE NATUREL ET TRAITEMENT SPECIFIQUE.
摘要
申请公布号
FR2657640(B1)
申请公布日期
1992.04.30
申请号
FR19900001375
申请日期
1990.01.30
申请人
VALLON ROGER
发明人
VALLON ROGER HENRI
分类号
E04H12/28;(IPC1-7):E04H12/28;B01D53/34
主分类号
E04H12/28
代理机构
代理人
主权项
地址
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