Harmonized System

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904 results for "办理瑞德大学学位证<网址:ｚｊｗ２１１.ｃｏｍ>-哪里买办理瑞德大学学位证<网址:ｂｚｗ９８５.ｃｏｍ>-上海南汇办理瑞德大学学位证哪里做-哪里办办理瑞德大学学位证yS"

Section XV > Chapter 81 > Heading 8103

Explanatory notes

… last traces of gas in radio valve manufacture). Tantalum alloys which may be classified here in accordance with Note 5 to Section XV include tantalum‑tungsten alloys with a high tantalum content used, for example, in …

Section VI > Chapter 28 > Heading 2807

Explanatory notes

… obtained by passing oxygen and sulphur dioxide over a catalyst (platinum, ferric oxide, vanadium pentoxide, etc.). … other cases). It reacts violently on contact with water and destroys the skin and most organic substances by carbonising … 77 and 100 % H 2 SO 4 . It is presented in containers or carboys of glass, in steel drums, tank trucks, railway tank …

Section X > Chapter 49 > Heading 4905

Explanatory notes

… geographical and astronomical charts, geological surveys, topographical plans (e.g., plans of towns or … globes with internal lighting, provided they are not merely toys. The heading does not include  : (a)   Books containing … tourist or other activities, the outline of railway systems, etc., of a country or district ( heading 49.11 ). …

Section XV > Chapter 74 > Heading 7410

Explanatory notes

… 7410.11 ‑ ‑ Of refined copper 7410.12 ‑ ‑ Of copper alloys               ‑ Backed : 7410.21 ‑ ‑ Of refined copper 7410.22 ‑ ‑ Of copper alloys This heading covers the products defined in Note 9 …

Section V > Chapter 25 > Heading 2506

Explanatory notes

… 2506.20 - Quartzite Quartz is the naturally occurring crystal form of silica. It falls in this heading only if … suitable for the manufacture of gem‑stones (e.g., rock crystal and smoky quartz, amethyst and rose quartz). Such quartz is excluded ( heading …

Section VII > Chapter 39 > Heading 3905

Explanatory notes

… adhesives. Poly(vinyl alcohol) is usually prepared by the hydrolysis of poly(vinyl acetate). Poly(vinyl alcohol) is …

Section XVI > Chapter 84 > Heading 8418

Section III > Chapter 15

Explanatory notes

… , whether crude, purified or refined or treated in certain ways (e.g., boiled, sulphurised or hydrogenated). (2) …

Section XV > Chapter 75 > Heading 7502

Explanatory notes

… nickel. 7502.10 ‑ Nickel, not alloyed 7502.20 ‑ Nickel alloys Unwrought nickel is usually in the form of ingots, … additive in the manufacture of alloy steels and non‑ferrous alloys and in the production of certain chemicals. Some of …

Section VI > Chapter 28 > Heading 2824

Explanatory notes

… is used in the glass industry (manufacture of lead and crystal glass), in the enamel industry, and in the … as a pottery glaze. It is employed in the manufacture of crystal glass and optical glass even more widely than the …