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发明名称
COLOURING MATTER FROM AZO DYESTUFFS
摘要
申请公布号
CA403720(A)
申请公布日期
1942.03.24
申请号
CAD403720
申请日期
申请人
HANS KRZIKALLA
发明人
HANS KRZIKALLA
分类号
主分类号
代理机构
代理人
主权项
地址
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