national industries classification (28.56701.3680)
《国民经济行业分类》国家标准于1984年首次发布，分别于1994年和2002年进行修订，2011年第三次修订。该标准（GB/T 4754-2011）由国家统计局起草，国家质量监督检验检疫总局、国家标准化管理委员会批准发布，并将于2011年11月1日实施。 此次修订除参照2008年联合国新修订的《国际标准行业分类》修订四版...</br> generated by yvsou girl
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