Quick diameter changing sleeve

The utility model relates to a quick diameter changing sleeve. The utility model is characterized in that the quick diameter changing sleeve comprises a diameter changing sleeve 1, and a top rod 2 which is inserted in the inner hole on the tail of the diameter changing sleeve 1; the surface of the p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: LIU SHUNYANG
Format: Patent
Sprache:eng
Schlagworte:
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