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发明名称
Procédé pour la fabrication d'acide phosphorique et de sulfate de calcium hémihydrate par voie humide .
摘要
申请公布号
OA2091(A)
申请公布日期
1970.05.05
申请号
OA19660052506
申请日期
1966.07.01
申请人
STE DE PRAYON
发明人
分类号
C01B25/231;C01B25/22;C04B11/26;(IPC1-7):C01B25/22
主分类号
C01B25/231
代理机构
代理人
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