Domestic process, technical progress and application of brine refinement from the end of 20th century to the beginning of 21st century are summarized.

总结了20世纪末至21世纪初国内盐水精制相关工艺及技术的新进展及其应用情况。

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It is still a surprise, for people used to the immaculate technical refinement of Sevres or Wedgwood, to see the lack of finish of Koetsu tea bowls.

CNN: ASIANOW - TIME Asia | The Subtle Magic of Koetsu

Typically such rarefied, highly technical movements are housed in classically styled watches that exude elegance and refinement.

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