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United States Patent

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United States Patent 3,718,587
Issue Date: February 27, 1973

Current U.S. Class: 252/8.82 ; 156/161; 156/307.5; 156/910
Current International Class: D01F 6/62 (20060101); D01D 5/00 (20060101); C08J 5/04 (20060101); C08J 5/06 (20060101); D06M 13/395 (20060101); D06M 13/00 (20060101); D06M 13/364 (20060101)



For U.S. patent law, rules, and procedures see MPEP.

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