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Photography in Philately

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Lith 1987

Mora 1987.jpg TECHFILM 80 LThumbnailsORWO 87aTECHFILM 80 LThumbnailsORWO 87aTECHFILM 80 LThumbnailsORWO 87aTECHFILM 80 LThumbnailsORWO 87a

= Example of Dr. Czesław MORA's scientific paper =

It's an article "The lith Process. The problem of the Light-sensitive material quality and its measurement".

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