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发明名称
Verfahren zur Herstellung eines Umkehrbildes, bei dem das Bild bei der zweiten Entwicklung direkt ohne Zwischenbelichtung geschwärzt wird.
摘要
申请公布号
CH195354(A)
申请公布日期
1938.01.31
申请号
CHD195354
申请日期
1936.12.23
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
AKTIENGESELLSCHAFT I. G. FARBENINDUSTRIE
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主分类号
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