Home / Standards / GB/T 29419-2012 GB/T 29419-2012 Abolished Establishing performance ratings for wood-plastic composite deck boards and guardrail system performance 塑木复合材料铺板性能等级和护栏体系性能 Standard Type GBT ICS 83.140 CCS G33 Status 废止 Issue Date 2012-12-31 Implementation 2013-08-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A