GB/T 37836-2019聚乳酸/聚丁二酸丁二酯复合材料空气过滤板国家标准
英文:Air filter plate made by polylactic acid/polybutylene succinate composite GB/T 37836-2019介绍: 国家标准《聚乳酸/聚丁二酸丁二酯复合材料空气过滤...
英文:Air filter plate made by polylactic acid/polybutylene succinate composite GB/T 37836-2019介绍: 国家标准《聚乳酸/聚丁二酸丁二酯复合材料空气过滤...