GB/T 8289-2016浓缩天然胶乳氨保存离心或膏化胶乳规格国家标准
英文:Natural rubber latex concentrate—Centrifuged or creamed,ammonia-preserved types—Specifications GB/T 8289-2016介绍: 国家标准...
英文:Natural rubber latex concentrate—Centrifuged or creamed,ammonia-preserved types—Specifications GB/T 8289-2016介绍: 国家标准...