
纺织品 - 100%聚酯纺纱灰色和白色纱线规格 Textiles-100 Percent Polyester Spun Grey and White Yarn-Specification
出版:Bureau of Indian Standards

专家解读视频
纺织品 - 100%聚酯纺纱灰色和白色纱线规格 Textiles-100 Percent Polyester Spun Grey and White Yarn-Specification
出版:Bureau of Indian Standards
专家解读视频