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Class Information
Number: 261/DIG.59
Name: Gas and liquid contact apparatus > Choke tube leaves flexible

Patents under this class:

Patent Number Title Of Patent Date Issued
5674434 Device for the control of the vacuum Oct. 7, 1997
5492659 Process for the production of concrete tiles Feb. 20, 1996
4229385 Variable venturi carburetor Oct. 21, 1980

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