PN C99040-11-1990 Photographic black-and-white developers Qualitative and usable characteristic of negatives deve!opers in liquid for geneial use ONL-09 (112-09)
1990PN C99040-11-1990 Photographic black-and-white developers Qualitative and usable characteristic of negatives deve!opers in liquid for geneial use ONL-09 (112-09)