… The reading is sometimes converted by a table into other units. The instruments are usually made of glass (though … of an incandescent lamp, by means of a rheostat device, until it coincides with that of the image of the source to …
… following devices usually enclosed in a common frame as a unit : (1) A device (known as an electron gun) for emitting and accelerating the electrons. (2) A … in the electron tube; these are sometimes self‑contained units connected to the appliance. (5) The elements for …
… in Note 4. The expression “synthetic rubber” covers : (a) Unsaturated synthetic substances , which meet the … tested as such, it is necessary to obtain a sample of the unvulcanised raw material from which the articles are made, …
… a tank, vat or other vessel are classified in heading 84.19 unless they are designed for water heating only or for … for heating public places, streets, etc. (6) Heating units for motor cars, railway coaches, aircraft, etc. , …
… salicylate or formaldehyde and intended for use in cold countries. Natural rubber latexes are concentrated … between 60 % and 62 %; higher concentrations are also found and in some cases the solid content may exceed 70 %. … is obtained by the reaction of vulcanising agents on latex under heat‑treatment at a temperature generally below …
… reacted with phosgene and heat to form free isocyanate functions. The product is a chemically modified polymer of … nature of the products varies according to the conditions under which the reaction is conducted and whether it is … set. This group also includes mixtures of polyurethane and unreacted polyfunctional diisocyanate (e.g., toluene …
… both gypseous alabaster , which is usually white and uniformly translucent, and calcareous alabaster , normally … cleavage planes of the stone. Their surfaces are often uneven or undulating and frequently bear marks of the tools used to …
… It is generally regarded as a non‑metal. It is presented under pressure in thick steel cylinders. It is used for … obtained by, for example, crystal pulling, may be in forms unworked as drawn, or in the form of cylinders or rods; when … in water. (b) Yellow arsenic, crystalline, rather unstable. Arsenic is used in the manufacture of arsenic …
… reagents designed to be administered to the patient, being unmixed products put up in measured doses or products … as laboratory reagents) are excluded ; these normally fall under heading 38.22 (with the exception of regents covered … The heading also covers pharmaceutical products which are unfit for their original intended purpose due to, for …
… - Supported catalysts : 3815.11 - - With nickel or nickel compounds as the active substance 3815.12 - - With precious metal or precious metal compounds as the active substance 3815.19 ‑ ‑ Other 3815.90 … are certain metals, metallic oxides, other metallic compounds or mixtures thereof. The metals most frequently …
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