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经营范围
发明名称
PROCESS OF PREPARING COLLOIDAL SULPHUR
摘要
申请公布号
CA312342(A)
申请公布日期
1931.06.16
申请号
CAD312342
申请日期
申请人
THE GRASSELLI CHEMICAL COMPANY;THE CANADIAN INDUSTRIES LIMITED
发明人
HENRY HOWARD
分类号
主分类号
代理机构
代理人
主权项
地址
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