China National Standards

China 20：Ice GB Standards List

  •  China "20：Ice" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB 19079.20-2013 Operation conditions and technical requirements for gymnasium and playground―Part 20：Ice hockey area
    体育场所开放条件与技术要求 第20部分：冰球场所    		 China National Standards
    20：Ice
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