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Arfrade, DE
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last 30 patents
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Patent Grant
Blower-supported gas mask and breathing equipment with an attachabl...
Patent number
5,303,701
Issue date
Apr 19, 1994
Dragerwerk AG
Bodo Heins
A62 - LIFE-SAVING FIRE-FIGHTING
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Patent Grant
Oxygen respirator with oxygen-supplying chemical cartridge
Patent number
4,154,236
Issue date
May 15, 1979
Dragerwerk Aktiengesellschaft
Wolfgang Eckstein
A62 - LIFE-SAVING FIRE-FIGHTING