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Application filed by Knubben Franz JoseffiledCriticalKnubben Franz Josef
Publication of PL205116A1publicationCriticalpatent/PL205116A1/en
B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
B44D7/00—Preserving paintings, e.g. by varnishing
PL20511678A1977-03-181978-03-06
METHOD OF REGENERATION AND PRESERVATION OF PARCHES AND ANTIQUARY PAPERS
PL205116A1
(en)