首页 产� 刷新 返回 登录
EN 13964: �顶CE认�
-第3部分:建筑隔音实验室测试方法/EN ISO 140-3, Acoustics Measurement of sound insulation in buildings and of building elements Part 3:Laboratory measurements of airborne sound insulation of building elements.
EN 12667 建筑�料和制�热学性能 / EN 12667, Thermal performance of building materials and products Determination of thermal resistance by means of guarded hot plate and heat flow meter methods Products of high and medium thermal resistance

8/10 下一页 上一页 首页 尾页

产�


返回 刷新 WAP首页 网页�/a> 登录
10/06 08:55
³¬¼¶±øÍõ×îÐÂÕÂ½Ú www.400ai.com www.50ppp.com www.zzz13.com ÉîÛÚ·¢Æ± ËÕÖÝ·¢Æ± ÉòÑô·¢Æ± ³¤É³Ë½¼ÒÕì̽ ³¤É³ÍøÕ¾ÓÅ»¯ ºÚÁ´¹ºÂò