CBRN breathing apparatus

An air delivery hose (10) has a CBRN resistant outer butyl rubber layer (12) convolute over a metal wire reinforced thermoplastic polyurethane inner hose (14). A combination unit respirator (20) has an air delivery hose (10, 10′) with a proximal end (22) with a three position lockable switch (40) th...

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Bibliographic Details
Main Author Zhong, Harry Xia
Format Patent
LanguageEnglish
Published 28.04.2020
Subjects
DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
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