Invisual telephone cord

The utility model discloses an invisible telephone rope, which can be prolonged freely during receiving the telephone and be automatically winded during hanging off. A rotating plate is arranged in the cavity formed by a casing and can perform rotation relative to the casing; a torsion spring is res...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	PINGZHOU LU
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION
Online-Zugang:	Volltext bestellen
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