Heading 3704

Photographic plates, film, paper, paperboard and textiles, exposed but not developed. - Film to be employed in the production of printing plates, rolls or cylinders for the reproduction of non-advertising material in newspapers, or for printing books or music, or for printing periodical publications entitled to second-class mailing privileges, the pages of which are regularly bound, wire-stitched or otherwise fastened together, excluding catalogues

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