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发明名称
Verfahren zur Herstellung eines schwarzen kohlenstoffhältigen Farbstoffes.
摘要
申请公布号
AT119013(B)
申请公布日期
1930.09.25
申请号
ATD119013
申请日期
1928.01.24
申请人
STATE IMPORT AND EXPORT TRADING OFFICE "GOSTORG"
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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