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Class Information
Number: 221/146
Name: Article dispensing > With article treatment > With igniting means > Electrical > Including vacuum or draft producing means > Stack or chimney
Description: Devices in which the flow causing means is a tubular flue-like means.

Patents under this class:

Patent Number Title Of Patent Date Issued
4495402 Warmer for temperature conditioning wet dressings and other articles Jan. 22, 1985

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