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Technology
containing
bureau of standards
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English
Chinese
Bureau of Standards
标准局
bureau of standards
度量局
Bureau of Technical Standard
技术标准局
(美国)
Journal of Research of the National
Bureau of Standards
美国国家标准局研究杂志
national
bureau of standard
NBS
标准
National
Bureau of Standards
国家标准局
United States National
Bureau of Standards
美国国家标准局
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