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经营范围
发明名称
Trisazo dyestuffs
摘要
申请公布号
GB676114(A)
申请公布日期
1952.07.23
申请号
GB19490030315
申请日期
1949.11.25
申请人
FARBENFABRIKEN BAYER
发明人
分类号
C09B31/22
主分类号
C09B31/22
代理机构
代理人
主权项
地址
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