Shutters and blinds - additional thermal resistance - allocation of a class of air permeability to a product 百葉窗和防護(hù)板.耐熱型.產(chǎn)品透氣性分級(jí)
Shutters and blinds - additional thermal resistance - allocation of a class of air permeability to a product 遮板和百葉窗.補(bǔ)充的耐熱性.產(chǎn)品透氣率等級(jí)的規(guī)定
Shutters and blinds - additional thermal resistance - allocation of a class of air permeability to a product ; german version en 13125 : 2001 遮板和遮簾.附加耐熱性.產(chǎn)品透氣率等級(jí)規(guī)定