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经营范围
发明名称
PROCEDE DE FABRICATION ET DE FILTRATION D'ACIDE PHOSPHORIQUE TRES CONCENTRE ET DE SULFATE DE CALCIUM
摘要
申请公布号
BE781083(A1)
申请公布日期
1972.09.22
申请号
BE19720781083
申请日期
1972.03.22
申请人
RHONE-PROGIL, 6, RUE PICCINI, 75 PARIS 16E, (FRANCE),
发明人
分类号
C01B25/22;C01F11/46;(IPC1-7):C01B/;C01F/
主分类号
C01B25/22
代理机构
代理人
主权项
地址
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