23A Portable Electrical Suction Device 23A portable electrical sputum suction device can be used for suctioning sputum and other thick secretions in ....
23B.I Portable Electrical Suction Device 23B·I portable electric suction unit is low in noise level. It meets the requirements for suctioning pus, ......
23C.III Electrical Suction Device 23C·IIIelectrical suction device is a new style suction device for medical use. It can meet most of the negative ......
23D.I Electrical Suction Device 23D·I electrical suction units are new style mobile suction devices , DFX-23D·I are devices for medical use designed ....