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Class Information
Number: 29/905
Name: Metal working > Making coil wound wall screen
Description: Cross-reference art collection of documents relating to a method of manufacturing a filtering device which includes spiral elements for performing the filtering.

Patents under this class:

Patent Number Title Of Patent Date Issued
6978900 Braided strainer for a draw line Dec. 27, 2005
5938925 Progressive gap sand control screen and process for manufacturing the same Aug. 17, 1999

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