A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
A62B18/082—Assembling eyepieces, lenses or vision-correction means in or on gas-masks
Landscapes
Health & Medical Sciences
(AREA)
Pulmonology
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General Health & Medical Sciences
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Business, Economics & Management
(AREA)
Emergency Management
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Respiratory Apparatuses And Protective Means
(AREA)
Dispositif de blocage dans une position donnée d'un tube coulissant dans un autre, en vue d'un réglage rapide et facile de la longueur de l'ensemble.