appearance(Polypropylene sound insulating pipes and fittings for drainage)
作者:百检网 时间:2021-12-01 来源:互联网
- 检测分类 未定义
- 样品名称 Polypropylene sound insulating pipes and fittings for drainage
- 检测项目 appearance
- 检测标准 《Polypropylene sound insulating pipes and fittings for drainage》CJ/T273-2008