B IV a ) ex 6303.92 blinds , curtain and bed valances and other c) furnishing articles , other than knitted or ex 6303.99 crocheted , of wool , of cotton or of man-made fibres 6304.19 , 92 , 93 , 99 41 ex 51.01 51.01-01 , 02 , 03 , ex 5401.10 Yarn of synthetic filament ( continuous ), not put A 04,08,09,10,12 , 5402.10 , 20 , 31 , up for retail sale , other than non-textured single 20,22,24,27,29 , 32,33,39,49,51 , yarn untwisted or with a twist of not more than 30,41,42,43,44 , 52,59,61,62,69 50 turns per metre