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Helsinki, FI
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last 30 patents
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Patent Grant
Explosion vent
Patent number
9,903,491
Issue date
Feb 27, 2018
ABB Technology Oy
Jaani Karppa
E04 - BUILDING
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Patent Application
EXPLOSION VENT
Publication number
20160273670
Publication date
Sep 22, 2016
ABB Technology Oy
Jaani KARPPA
A62 - LIFE-SAVING FIRE-FIGHTING