|
SDI
|
Steel Door Institute
موسسه دربهاي فولادي
|
|
|
|
|
The Steel Door Institute (SDI) was established in 1954 as a voluntary non-profit business association that develops quality and performance standards for steel doors and frames.
|
|
سال :
2024
|
تعداد :58
|
دسته :Construct
|
اشتراک :
|
پیمایش استانداردها >>
|
|
|