-
- Code of practice for flat green tea processing
- DB33/T 941-2014
-
- Quality specification of repairing services for mobile phon
- DB33/T 781-2010
-
- Specification for after-sales service of furniture
- DB33/T 772-2009
-
- Service standard for convention and exhibition industry
- DB33/T 770-2009
-
- Analytical specification of beer bottle burst
- DB37/T 1270-2009
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- DB37/T 1159-2009 Business hotel service quality specification
- DB37/T 1159-2009
