GB 50019-2003
PublishedCode for design of heating ventilation and air conditioning
- Issued
- 2003-11-05
- Effective
- 2004-04-01
Chinese Standards Library
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GB/T 5009.61-2003
WithdrawnMethod for analysis of hygienic standard of products of tripolycyanamide for food packaging
- Issued
- 2003-08-11
- Effective
- 2004-01-01
GB/T 3485-1998
PublishedTechnical guides for evaluating the rationality of electricity usage in industrial enterprise
- Issued
- 1998-02-19
- Effective
- 1998-09-01
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