Pig farm vaccine injection syringe with needle head capable of being automatically withdrawn and replaced

The invention relates to the technical field of vaccine injection, and discloses a pig farm vaccine injection syringe with a needle capable of being automatically withdrawn and replaced, the pig farm vaccine injection syringe comprises a syringe tube, a fixed outer ring is mounted outside the syring...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN CHANGCHUN, WEI NING, CHEN GUANGMING, CAI BINGYAN, ZHAO AIHUA, GUO GUANGFU, LIU LI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
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