PROCESSO DE FABRICACAO DE ENXOFRE OU DE ANIDRIDO SULFUROSO A PARTIR DE SULFATOS DE AMONIO

申请公布号：BR7204794(D0)

申请号：BR19720004794

申请日期：1972.07.09

申请公布日期：1973.07.03

申请人：

INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIAN

发明人：DESCHAMPS A;DEZAEL C;RENAULT P

分类号：C01B17/06;C01B17/50;(IPC1-7):C01B17/06;C01B17/52

主分类号：C01B17/06

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