NBR 7541
NBR 7541 (冷凍または空調用継目無銅管 - 要求事項)· NBR (ブラジル) · 10 材料
| 名称 | 材料グループ | |
|---|---|---|
| C10200 | 銅 | chevron_right |
| C10300 | 銅 | chevron_right |
| C11000 | 銅 | chevron_right |
| C12000 | 銅 | chevron_right |
| C12200 | 銅 | chevron_right |
| Cu-DHP | 銅 | chevron_right |
| Cu-DLP | 銅 | chevron_right |
| Cu-ETP | 銅 | chevron_right |
| Cu-OF | 銅 | chevron_right |
| Cu-OFXLP | 銅 | chevron_right |