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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| SN/T 2536-2010 |
Rules of designation for import and export refrigerants 进出口制冷剂命名规则 |
China Import Export Inspection
Standards Rules designation |
 English PDF |
| YD/T 638.1-1993 |
Type designation for products of posts and telecommunications industry General rules 邮电工业产品型号命名方法总则 |
China Telecommunication
Standards Rules designation |
English PDF |
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