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发明名称
Verfahren zur direkten Herstellung von Positiven.
摘要
申请公布号
CH291535(A)
申请公布日期
1953.06.30
申请号
CHD291535
申请日期
1951.01.25
申请人
FARBENFABRIKEN BAYER
发明人
BAYER FARBENFABRIKEN
分类号
G03C8/06
主分类号
G03C8/06
代理机构
代理人
主权项
地址
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