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Patents Grants
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Patent Grant
Ventilating valve for a sewer pipe
Patent number
10,167,966
Issue date
Jan 1, 2019
Capricorn S.A.
Maciej Dobrowolski
E03 - WATER SUPPLY SEWERAGE
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Patents Applications
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Patent Application
VENTILATING VALVE FOR A SEWER PIPE
Publication number
20160290518
Publication date
Oct 6, 2016
Capricorn S.A.
Maciej DOBROWOLSKI
E03 - WATER SUPPLY SEWERAGE