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经营范围
发明名称
A process for the treatment of liquid sulphur
摘要
申请公布号
GB792560(A)
申请公布日期
1958.03.26
申请号
GB19560004460
申请日期
1956.02.13
申请人
ELFRIEDE ELLA BAHR
发明人
分类号
C01B17/02
主分类号
C01B17/02
代理机构
代理人
主权项
地址
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