China Classification,inves GB Standards Search Result |
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1. Ready translated GB standards
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GB/T 18972-2017 Classification,investigation and evaluation of tourism resources 旅游资源分类、调查与评价 - 中英文版 |
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GB/T 18972-2003 Classification,investigation and evaluation of tourism resources 旅游资源分类、调查与评价 - 中英文版 |
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