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B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
B44C1/22—Removing surface-material, e.g. by engraving, by etching
B44C1/227—Removing surface-material, e.g. by engraving, by etching by etching
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FR998252D1949-10-271949-10-27Procédé pour le parachèvement du verre ornemental, verre-cathédrale ou analogue,muni de cannelures profondes
ExpiredFR998252A
(fr)