Spectacle frame spring hinge

The invention discloses a spectacle frame spring hinge. The spectacle frame spring hinge comprises a spring shell, a spring core and at least one connection part, wherein the spring shell is provided with a spring core holding space, the open end of the spring core holding space of the spring shell...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	CHEN XIANRU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONTACT LENSES OPTICS PHYSICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
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