NF A91-409-1982
Статус: Дата введения в действие:
| Обозначение | NF A91-409-1982 |
|---|---|
| Заглавие на английском языке | ANODIZING OF ALUMINIUM AND ITS ALLOYS. ESTIMATION OF LOSS OF ABSORPTIVE POWER OF ANODIC OXIDE COATINGS AFTER SEALING. DYE SPOT TEST WITH PRIOR ACID TREATMENT. |