有哪些信誉好的足球投注网站- 2
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ICS37.100.20
CCSN40
中华人民共和国国家标准
GB/T21199—2024
代替GB/T21199—2007、GB/T21201—2007
激光打印机用干式显影剂
Drytonerforlaserprinter
2024⁃11⁃28发布2025⁃06⁃01实施
国家市场监督管理总局
发布
国家标准化管理委员会
GB/T21199—2024
目次
前言··························································································································Ⅲ
1范围·······················································································································1
2规范性引用文件········································································································1
3术语和定义··············································································································2
4技术要求·················································································································2
4.1概述·················································································································2
4.2外观·················································································································2
4.3粗粒·················································································································2
4.4粒度分布···········································································································2
4.5结块性··············································································································2
4.6含水量································································································
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