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2、ofing Bitumen, plastic and rubber sheets for roof waterproofing Determination of watertightness after stretching at low temperature . ( ). . 1.52001 ( 3.6). , . (en). (IDT) 5 17 2013 . 2299- EN 138972012 1 2014 . 6 II N 138972012 , . () . , , 2014 , III N 138972012 , ( ) , , , . , , , , . IV N 13897
3、2012 ( ) Roofing and hydraulic-insulating flexible bitumen-based and polymeric (thermoplastic or elastomer) materials. Method for determination of watertightness after stretching at low temperature 20140701 1 ( ) ( ), , . . 2 : N 13416:2001 Flexible sheets for waterproofing Bitumen, plastic and rubb
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