Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 11982-1987
Scope
This standard applies to indoor horizontal louvers (hereinafter referred to as louver curtains) made of several steel or aluminum alloy louver blades assembled horizontally. The angle of each louver can be adjusted, and the louver blades and bottom rails can be raised and lowered by hand.
CNS 11982-1987 history
1987CNS 11982-1987 Stell and Aluminium Alloy Venetian Blinds