Generate a correctly punctuated version of the following text: Woven fabrics of cotton containing predominantly but 85 cotton by weight mixed principally or solely with manmade fibres and weighing 200 gm in threethread or fourthread twill incl cross twill unbleached
Woven fabrics of cotton, containing predominantly, but < 85% cotton by weight, mixed principally or solely with man-made fibres and weighing <= 200 g/m, in three-thread or four-thread twill, incl. cross twill, unbleached