GB/T 17227-1998

Health standard of textbook for elementary and secondary school student

NORMA vydaná dňa 21.1.1998

Anglicky a čínsky -
Elektronické PDF (202.00 EUR)

The information about the standard:

Designation standards: GB/T 17227-1998
Note: NEPLATNÁ
Publication date standards: 21.1.1998
Country: Chinese technical standard
Kategória: Technické normy GB