GB/T 17227-1998

Health standard of textbook for elementary and secondary school student

NORM herausgegeben am 21.1.1998

English, Chinesisch -
Elektronische PDF (212.80 EUR)

The information about the standard:

Designation standards: GB/T 17227-1998
Note: UNGÜLTIG
Publication date standards: 21.1.1998
Country: Chinese technical standard
Kategorie: Technische Normen GB