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发明名称
PROCEDE AMELIORE POUR LA PREPARATION DE DITHIONITE DE SODIUM
摘要
申请公布号
BE856029(A1)
申请公布日期
1977.10.17
申请号
BE19770178709
申请日期
1977.06.23
申请人
VIRGINIA CHEMICALS INC.
发明人
分类号
C01B17/66;(IPC1-7):C01D/
主分类号
C01B17/66
代理机构
代理人
主权项
地址
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