Search Results for: Oxygen therapy apparatus
chemically defined), and their halogenated, sulphonated, nitrated or nitrosated derivatives epoxides, epoxyalcohols, epoxyphenols and expoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives acetals and hemiacetals, whether or not with other oxygen
function, and their halogenated, sulphonated, nitrated or nitrosated derivatives aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading provitamins and vitamins, natural...
https://www.seair.co.in/custom-duty/organic-chemicals-chapter-head-29.aspx
(class / ) fiber making apparatus (class / ) with measuring, controlling, sensing, timing, inspecting, indicating, or testing means (class / ) with designated composition of dies, bushings, or nozzles (class / ) with means to form hollow fiber or preform (class / ) with specified bushing, tip, or feeder
structure (class / ) with means to align preform with drawing apparatus or form multifilament fibers (e.g., gathering shoe, etc.)...
https://patents.justia.com/patents-by-us-classification/65