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Pierangelo Colombo
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Gallarate, IT
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Patents Grants
last 30 patents
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Patent Grant
Safety device for a lighting valve of a gas burner
Patent number
7,252,109
Issue date
Aug 7, 2007
Industrias Unidas S.A. DE C.V.
Pierangelo Colombo
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Patents Applications
last 30 patents
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Patent Application
Safety device for a lighting valve of a gas burner
Publication number
20050233273
Publication date
Oct 20, 2005
Industrias Unidas, S.A. de C.V.
Pierangelo Colombo
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES