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Application filed by Jerzy HaintzefiledCriticalJerzy Haintze
Priority to PL29089491ApriorityCriticalpatent/PL290894A1/en
Publication of PL290894A1publicationCriticalpatent/PL290894A1/en
PL29089491A1991-07-011991-07-01Method of engraving or recessing stone surfaces for making an inlay in particular in the form of letters
PL290894A1
(en)