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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB 23200.13-2016 |
National Food Safety Standards—Determination of 448 pesticides residues in tea Liquid chromatography-mass spectrometry 食品安全国家标准 茶叶中448种农药及相关化学品残留量的测定 液相色谱-质谱法 |
China National Standards 448 |
 English PDF |
| GB/T 23205-2008 |
Determination of 448 pesticides and related chemicals residues in tea - LC-MS-MS method 茶叶中448种农药及相关化学品残留量的测定 液相色谱-串联质谱法 |
China National Standards 448 |
English PDF |
| GB/T 13997-1999 |
Technical requirement for 2048kbit/s，8448kbit/s，34368kbit/s，139264kbit/s optical line terminals 2048kbit/s、8448kbit/s、34368kbit/s、139264kbit/s光端机技术要求 |
China National Standards 448 |
English PDF |
| GB/T 7254-1995 |
Performanceand methods of the second order digital multiplex equipment operating at 8448 kbit/s and using positive justification 8448 kbit/s正码速调整二次群数字复用设备技术要求和测试方法 |
China National Standards 448 |
English PDF |
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