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Björn Petersen
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Berlin, DE
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last 30 patents
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Patent Grant
Breathing apparatus with compensation of the ambient pressure
Patent number
8,931,482
Issue date
Jan 13, 2015
Draeger Safety AG & Co. KGaA
Hans-Ullrich Hansmann
A62 - LIFE-SAVING FIRE-FIGHTING
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last 30 patents
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Patent Application
BREATHING APPARATUS WITH COMPENSATION OF THE AMBIENT PRESSURE
Publication number
20120017906
Publication date
Jan 26, 2012
Hans-Ullrich Hansmann
A62 - LIFE-SAVING FIRE-FIGHTING