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...Gn d pharmaceutical products whenever a rate of duty free followed by the symbol k in parentheses appears special subcolumn for heading or subheading any product whatever name known classifiable such provision which is country eligible tariff treatment under column shall be entered provided that included appendix to schedule include salts esters and hydrates international non proprietary inn enumerated table contain their names prefixes suffixes listed salt ester hydrate same digit as relevant intermediate chemicals dyes l exclusions agricultural chapters through inclusive type i subject quota ii provisions subchapter iv chapter entries described this note not counted against quantity specified imported account agency u s government b personal use importer net one shipment does exceed kilograms c will enter commerce united states samples taking orders exhibition display sampling at trade fair research embassies foreign governments testing equipment written approval secretary agricultur...