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发明名称
Perfectionnements aux procédés pour l'amélioration du titre en anhydride phosphorique des minerais de phosphates à gangue carbonatée
摘要
申请公布号
FR1343508(A)
申请公布日期
1963.11.22
申请号
FR19620889777
申请日期
1962.03.02
申请人
CENTRE D'ETUDES ET DE RECHERCHES DES PHOSPHATES MINERAUX CERPHOS
发明人
SAINT-CHAMANT HENIR COUDERC DE
分类号
C01B25/32;C05B11/02
主分类号
C01B25/32
代理机构
代理人
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