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Application filed by Samum Vereinigte Papier Ind KfiledCriticalSamum Vereinigte Papier Ind K
Application grantedgrantedCritical
Publication of DK83237CpublicationCriticalpatent/DK83237C/en
DK92050A1949-03-151950-03-15
Method for producing photographic relief tanning images, in particular for producing multicolored paper images.
DK83237C
(en)