Injection device capable of filtering in two directions

The injection device comprises a needle cylinder and a filter membrane device, the upper end and the lower end of the filter membrane device are respectively provided with a connecting port, the filter membrane device is matched with the needle cylinder through the connecting ports, and the outer wa...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG RONGRONG, CAI SHU, REN ZAIQIN, DENG FEIYAN, WANG MEIYING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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