Technological equipment for processing valve pit on top of piston

The utility model discloses technological equipment for processing a valve pit on the top of a piston. A spigot positioning disc is fixed at a middle position on a base; through holes are correspondingly formed in the centre of the spigot positioning disc and on the base; the equipment is provided w...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KONG DEFEN, YAN JUNHENG, QI PENG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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