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FR703153D1929-12-301929-12-30
Ornamentation process for pieces of goldsmith, tableware and cutlery and new industrial products resulting therefrom
ExpiredFR703153A
(en)
Forming complex coloured patterns on metal surfaces - by forming embossed outline on soft metal sheet, backing, covering with fine metal film and applying colour to relief portions
Forming complex coloured patterns on metal surfaces - by forming embossed outline on soft metal sheet, backing, covering with fine metal film and applying colour to relief portions