MANUFACTURE OF ELECTROFORMED TYPE WITH PATTERN

PURPOSE:To prevent that a display member obtained by electroforming has a specular surface alone and has little variation in design. CONSTITUTION:After a pattern is formed on the surface of an electroformed display member 3 by closed die forging, photoetching or the like, the surface is covered with...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	USHIKUBO KOJI
Format:	Patent
Sprache:	eng
Schlagworte:	HOROLOGY MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL MECHANICALLY-DRIVEN CLOCKS OR WATCHES PHYSICS TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
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