Modified backbone operation support headstock

The utility model provides a backbone operation support, its characterized in that: that modified backbone operation support headstock goes up and down as follows mainly and removes with controlling lie in the annular transparent air bag of uncovered ellipse on the headstock, through the fixed aerat...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI JUNNAN, YANG SHIJIE, WANG YANXIAN
Format:	Patent
Sprache:	eng
Schlagworte:	CHAIRS FOR DENTISTRY FUNERAL DEVICES HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE OPERATING TABLES OR CHAIRS TRANSPORT OR ACCOMODATION FOR PATIENTS
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