|
US4017566A
(en)
|
|
Vaporizer for anaesthetics
|
|
US4075297A
(en)
|
|
Anesthetic vaporizer
|
|
CA2393068C
(en)
|
|
Respiration apparatus with flow limiter
|
|
CN105531001B
(en)
|
|
Hold the pressure regulator of easy-to-assemble respirator
|
|
CN108635690A
(en)
|
|
A kind of mask breather valve capable of releasing negative ion
|
|
ATE49895T1
(en)
|
|
ADJUSTABLE HOSE CONNECTION VALVE FOR BREATHING AIR SUPPLY.
|
|
AT397037B
(en)
|
|
REDUCING VALVE ACTUABLE BY VACUUM
|
|
CN107693979B
(en)
|
|
Quadrilateral square tube valve
|
|
CN106621108B
(en)
|
|
Air supply valve of air respirator
|
|
BE898263R
(en)
|
|
Breathing apparatus with filter and air connection - has valve opened by inserting filter and member rotatable to vary area of axial flow
|
|
CH229530A
(en)
|
|
Oxygen breathing apparatus with an acoustic warning device.
|
|
BE894319R
(en)
|
|
Breathing-out valve for breathing apparatus - has seat closed by diaphragm loaded via disc by spring fixed to pillar on rear of diaphragm
|
|
CN108853830A
(en)
|
|
Using diaphragm substrate as the steam supply valve of positive pressure lever in a kind of novel medium voltage by-pass structure
|
|
CN107899148A
(en)
|
|
The disjunctor breather valve of self-rescuer
|
|
CN107854784A
(en)
|
|
A kind of oxygen breathing apparatus oxygen cylinder pile-up valve
|
|
CH111466A
(en)
|
|
Equipment on breathing apparatus to avoid overloading the airways with non-breathable additions.
|
|
CH209040A
(en)
|
|
Oxygen breathing device with lung-controlled and additional, constant oxygen dosage.
|
|
CH219049A
(en)
|
|
Method and device for the automatically regulated supply of overpressure chambers with breathing air in high-altitude aircraft.
|
|
BE445783A
(en)
|
|
|
|
CH193781A
(en)
|
|
Leverless oxygen distributor for breathing apparatus.
|
|
BE880411A
(en)
|
|
PRE-LOADED EXHAUST VALVE FOR COMPRESSED AIR DEVICES
|
|
BE522292A
(en)
|
|
|
|
BE436048A
(en)
|
|
|
|
BE436047A
(en)
|
|
|
|
BE416924A
(en)
|
|
|