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Christian Norman
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Furulund, SE
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Patents Grants
last 30 patents
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Patent Grant
Back pressure flap valve arrangement and the use thereof
Patent number
10,315,059
Issue date
Jun 11, 2019
NEDERMAN HOLDING AB
Bartosz Kowalski
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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Patent Application
Back pressure flap valve arrangement and the use thereof
Publication number
20180185680
Publication date
Jul 5, 2018
Nederman Holding AB
Bartosz Kowalski
A62 - LIFE-SAVING FIRE-FIGHTING