… plates, microscope slides and cover glasses, etc. Reference should be made to Explanatory Note to heading 90.27 for the … eudiometers; volumenometers, nitrometers, Kipps and Kjeldahl apparatus and the like; calcimeters; cryoscopes and …
… materials cut to shape, and with metal sheeting folded along the outer edges and around the edges of any … ; but if the set also included a rubber gasket it would fall in this heading. (C) MECHANICAL SEALS Mechanical …
… from any minor components of metal incorporated during moulding solely for purposes of assembly). Usually there is … clamps). Insulators equipped with metal horns or guard shields or other devices to form lightning arresters are …
… in the event of exceptionally high voltages which otherwise would damage the line or electrical installation. Among the … arresters consisting of a horned spark gap or guard shield mounted on an insulator or an insulator chain, …
… and glazes are mixtures of silica with other products (feldspar, kaolin, alkalies, sodium carbonate, alkaline-earth … decorating ceramics or glassware. The most widely used are gold, silver, aluminium or chromium lustres. (5) Glass …
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