Late at night on January 23, the usual stillness in the night-duty office of the Beijing Textile Fibre Testing Institute was disturbed by a telephone ring. Xu Chunguang, the worker on night duty,...
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Late at night on January 23, the usual stillness in the night-duty office of the Beijing Textile Fibre Testing Institute was disturbed by a telephone ring. Xu Chunguang, the worker on night duty,...