Harmonized System

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833 results for "威尔士斯旺西大学本科毕业证<网址:ｂｚｗ９８５.ｃｏｍ>-哪里买威尔士斯旺西大学本科毕业证<网址:ｂｚｗ９８５.ｃｏｍ>-衡水威尔士斯旺西大学本科毕业证哪里做-哪里办威尔士斯旺西大学本科毕业证RG"

Section VII > Chapter 40 > Heading 4001

Explanatory notes

… . This liquid consists of an aqueous solution of organic and mineral substances (proteins, fatty acids and …

Section VI > Chapter 28 > Heading 2806

Explanatory notes

… Sub-Chapter II INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON‑METALS GENERAL Acids …

Section VI > Chapter 28 > Heading 2833

Explanatory notes

… Occurs in the anhydrous or hydrated state as a powder or in large transparent crystals, efflorescing in the air and … a sizing material in the textile industry; in medicine as a purgative, etc. Natural sodium sulphates (glauberite, … particular for pickling metal, regenerating rubber, in the metallurgy of antimony or tantalum and as a weed‑killer. …

Section VI > Chapter 28 > Heading 2832

Explanatory notes

… industrial products known as “hydrosulphites” stabilised by organic substances ( heading 28.31 ). (A) SULPHITES This … solution, yellowish in colour. Used as a reducing agent in organic synthesis, in the manufacture of indigo, for … the manufacture of other sulphites or thiosulphates and of organic dyes, etc. (2)   Ammonium sulphite ((NH 4 ) 2 SO 3 …

Section XVI > Chapter 84 > Heading 8419

Explanatory notes

… ‑ Solar water heaters 8419.19 ‑ ‑ Other 8419.20 ‑ Medical , surgical or laboratory sterilisers               ‑ Dryers : …

Section XVI > Chapter 85 > Heading 8541

Section VI > Chapter 38 > Heading 3811

Explanatory notes

… prevent the formation of ice in fuel systems.       (d)   Detergents . Preparations used to keep the carburettor and … aromatic phosphates and thiophosphates.       (e)   Detergents and dispersants , such as those based on alkyl …

Section XVI > Chapter 84 > Heading 8429

Explanatory notes

… consist of a propelling base, often track‑laying, with a large blade mounted in front, and forming an integral … of top soil which is then passed into the scraper body or discharged by a conveyor.        It should be noted that … are fitted with heavy cast iron or steel cylinders of large diameter, smooth or studded with metal feet which …

Section VI > Chapter 28 > Heading 2807

Explanatory notes

… on contact with water and destroys the skin and most organic substances by carbonising them. Commercial sulphuric … in the preparation of fertilisers, explosives and inorganic pigments and, inter alia , in the petroleum and … (B) OLEUM Oleum (fuming sulphuric acid) is sulphuric acid charged with an excess (up to 80 %) of sulphur trioxide. …

Section XI > Chapter 52 > Heading 5203

Explanatory notes

… fibres, lay them more or less parallel, and entirely or largely free them from any extraneous matter they may still … lying parallel, remain. The slivers, whether or not combed, undergo a series of doubling and drawing processes on drawing frames and roving frames, emerging from the latter as rovings. It should be noted that …