Early technology process for bottoming-drill raw material

The invention discloses an early technology process for a bottoming-drill raw material, and relates to a processing technology of a bottoming drill. The problem that an early technology process of thebottoming-drill raw material is high in cost, serious in waste and serious in pollution is mainly so...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LIU CHUANCHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BRACELETS COINS HABERDASHERY HUMAN NECESSITIES JEWELLERY OTHER PERSONAL ADORNMENTS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!