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发明名称
PROCEDE D'EXTRACTION D'IMPURETES CONTENUES DANS UN MATERIAU SOUS FORME DE POUDRE II
摘要
申请公布号
FR2641198(B1)
申请公布日期
1994.07.08
申请号
FR19900001224
申请日期
1990.02.02
申请人
TOYO ENGINEERING CORP;ASAHI DENKA KOGYO KK
发明人
HISASHI MIYAKAWA;NAOKI MIZUTANI;KAZUOKI URABE;KAGEO YOSHIDA, KOJI HIRANO ET OSAMU NITTANI;HIRANO KOJI;NITTANI OSAMU
分类号
B01D11/02;C08F6/00;(IPC1-7):B01D11/02
主分类号
B01D11/02
代理机构
代理人
主权项
地址
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