T/BBA 03-2021
Aluminum alloy-polyurethane composite doors and windows (English Version)

Standard No.

T/BBA 03-2021

Language

Chinese, Available in English version

Published By

Group Standards of the People's Republic of China

Latest

T/BBA 03-2021

T/BBA 03-2021 history

• 1970 T/BBA 03-2021 Aluminum alloy-polyurethane composite doors and windows