Harmonized System

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Section XVI > Chapter 84 > Heading 8481

Explanatory notes

… example, to a valve equipped with a thermostatic element (double‑leaf, capsule, bulb, etc.). The heading also covers … thermostatic element by means of, for instance, a capillary tube. Combinations consisting of a tap, valve, etc. and a … those of other materials ( other than unhardened vulcanised rubber, ceramics or glass) are also covered by the heading. …

Section XVIII > Chapter 90 > Heading 9026

Explanatory notes

… to variations in the quantity to be measured (e.g., Bourdon tube, diaphragm, bellows, semiconductors) moving a needle or … essentially : (i) a primary device (e.g., Pitot or Venturi tube, simple diaphragm, orifice plates, shaped nozzle) to … . These usually consist of a graduated cone‑shaped tube containing a heavy float which is carried along by the …

Section VI > Chapter 29 > Heading 2937

Explanatory notes

… includes : (I)    Natural hormones, which are active substances produced in the living tissues of man or animals, … receptor to activate a response . The secretion of these substances, usually by the endocrine glands, is governed by … Prostaglandins are a class of hormones or hormone-like substances which are synthesised by the tissue in which they …

Section VI > Chapter 32 > Heading 3206

Explanatory notes

… or mixed with calcium or barium sulphate or other substances.  These also include titanium dioxide to which … pigments consisting of chromium oxide mixed with other substances. (3)   Ultramarine . Ultramarine blue is a … which are chemically defined compounds and contain no other substances, include calcium tungstate and magnesium …

Section VI > Chapter 30 > Heading 3004

Explanatory notes

… containing antimalarial active principles described in Subheading Note 2 to this Chapter 3004 .90 - Other This … are applied directly to the skin of patients. The active substance is contained in a reservoir which is closed by a … on the side entering into contact with the skin. The active substance released from the reservoir is absorbed by passive …

Section XVIII > Chapter 90 > Heading 9018

Explanatory notes

… : 9018.31 - - Syringes, with or without needles 9018.32 - - Tubular metal needles and needles for sutures 9018.39 - - …

Section VI > Chapter 29 > Heading 2930

Explanatory notes

… Sub-Chapter X ORGANO-INORGANIC COMPOUNDS, HETEROCYCLIC … one of the heterocyclic rings is specifically named in a subheading within headings 29.32 to 29.34, the compound should be classified in that subheading. However, if two or more of the heterocyclic …

Section XVI > Chapter 84 > Heading 8415

Explanatory notes

… of air. They are used for air conditioning offices, homes, public halls, ships, motor vehicles, etc., and also in …

Section XVII > Chapter 87 > Heading 8701

Explanatory notes

… another vehicle, appliance or load. They may contain subsidiary provision for the transport, in connection with … goods, or provision for fitting with working tools as a subsidiary function. The heading does not cover propelling …

Section VI > Chapter 28 > Heading 2844

Explanatory notes

… elements and isotopes and compounds other than those of subheading 2844.10, 2844.20 or 2844.30; alloys, dispersions …

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