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品目3818： Chemical elements doped for use in electronics

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第38类

PRODUCTS OF THE CHEMICAL OF ALLIED INDUSTRIES

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第38章

Miscellaneous chemical products·

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3818

Chemical elements doped for use in electronics

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3818001100

Monocrystalline sillicon, in the form of discs, wafers or similar form, diameter 7.5cm or more but not exceeding 15.24cm, chemical compounds doped for use in electronics

3818001900

Monocrystalline sillicon, in the form of discs, wafers or similar form, diameter exceeding 15.24cm, chemical compounds doped for use in electronics

3818009000

Other monocrystalline sillicon, in the form of discs, wafers or similar form, chemical compounds doped for use in electronics