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Pirelli and C SpA
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Pirelli SpA
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Application filed by Pirelli SpAfiledCriticalPirelli SpA
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Publication of FR48588EpublicationCriticalpatent/FR48588E/fr
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
A62B18/088—Devices for indicating filter saturation
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Business, Economics & Management
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Emergency Management
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FR48588D1937-07-021937-07-02Procédé et dispositif pour signaler l'épuisement des filtres et des épurateurs antigaz
ExpiredFR48588E
(fr)