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United States Patent
3,068,188
Issue Date:
December 11, 1962
Current U.S. Class:
524/104
; 524/173; 528/73; 528/347; 528/348
Current CPC Class:
C08G 69/46 (20130101); C08J 3/091 (20130101)
Current International Class:
C08G 69/00 (20060101); C08G 69/46 (20060101); C08J 3/02 (20060101); C08J 3/09 (20060101)
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