Tracheal casing pipe

The utility model discloses a tracheal casing pipe which comprises an arc inner pipe and an arc outer pipe. The inner pipe is connected and sleeved with the outer pipe. An upper annular baffle and a lower annular baffle which are arranged in an inclined mode are arranged in parallel in a spaced and...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	YAN XIUQIN
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
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