GB/T 29419-2023塑木复合材料铺板、护栏和围栏体系性能国家标准
英文:Performance for wood-plastic composite deck boards, guardrail and fence system GB/T 29419-2023介绍: 国家标准《塑木复合材料铺板、护栏和围栏...
英文:Performance for wood-plastic composite deck boards, guardrail and fence system GB/T 29419-2023介绍: 国家标准《塑木复合材料铺板、护栏和围栏...