Fixture for polishing of outer circular surface of jade bracelet

The invention relates to a fixture for polishing of an outer circular surface of a jade bracelet. The fixture comprises a supporting plate, a cylinder, a screw, a sliding block, a limiting table, limiting grooves, a guide hole and a supporting structure, wherein the supporting plate is connected to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BIAN YAJUAN, JIANG ZHONGHUA, YANG BO, JI YUE
Format: Patent
Sprache:chi ; eng
Schlagworte:
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