Colored watch glass

A transparent timepiece component, in particular a watch glass, is provided and has a substantially planar or curved interior surface, and has mainly a transparent material colored by a zone of modified chemical composition within the component through an introduction of at least one coloring chemic...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ROULET ALEXANDRA, BORGES-MACHADO MARIA-ISABEL
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GLASS HOROLOGY JOINING GLASS TO GLASS OR OTHER MATERIALS LIME, MAGNESIA MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL MECHANICALLY-DRIVEN CLOCKS OR WATCHES METALLURGY MINERAL OR SLAG WOOL PHYSICS REFRACTORIES SLAG SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS TREATMENT OF NATURAL STONE
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