GB/T 18631-2002

Textile fibre—North sky light daylighting for classing rooms

NORMA vydaná dňa 28.1.2002

The information about the standard:

Designation standards: GB/T 18631-2002
Note: NEPLATNÁ
Publication date standards: 28.1.2002
Country: Chinese technical standard
Kategória: Technické normy GB