Novel die holder calibrating device

The utility model provides a novel die holder calibrating device which comprises a hollow copper bar. The upper end face and the lower end face of the copper bar are each provided with a circular hole, and the circular holes of the upper end face and the lower end face are concentric. Four upper ope...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHU KUN, JIANG XIHUA, SHEN XIAOPING, ZHU JUN, SHI BIBO, TANG CHENG, TIAN JIA, WANG QIANG, HOU HONGHUA
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL
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