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经营范围
发明名称
Improvements in or relating to sulphonated compounds
摘要
申请公布号
GB551246(A)
申请公布日期
1943.02.15
申请号
GB19410003871
申请日期
1941.03.21
申请人
NATIONAL OIL PRODUCTS COMPANY
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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