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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HG/T 20581-2011 |
Specification of materials selection for steel chemicai vessels [including section "Compilation explanation"] 钢制化工容器材料选用规定 |
China Chemical Industry
Standards explanation |
 English PDF |
| SY/T 6130-2009 |
The parameter test and injection profile explanation method for steam injection well 注蒸汽井参数测试及吸汽剖面解释方法 |
China Oil & Gas Industry
Standards explanation |
English PDF |
| SJ 20652-1997 |
Technical requirements for verbal explanation of the military digital secure automatic telephone network 军用数字保密自动电话网语音编解技术要求 |
China Electronics
Standards explanation |
English PDF |
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