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经营范围
发明名称
Vat dyestuffs
摘要
申请公布号
US2539193(A)
申请公布日期
1951.01.23
申请号
US19490080325
申请日期
1949.03.08
申请人
CIBA LIMITED
发明人
KERN WALTER
分类号
C09B5/28
主分类号
C09B5/28
代理机构
代理人
主权项
地址
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