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经营范围
发明名称
Manufacture of unsymmetrical heptacarbocyanine dyestuffs
摘要
申请公布号
GB438449(A)
申请公布日期
1935.11.18
申请号
GB19340015068
申请日期
1934.05.18
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
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