NF A48-721-1976
Статус: Дата введения в действие:
| Обозначение | NF A48-721-1976 |
|---|---|
| Заглавие на английском языке | FOUNDRY PRODUCTS. CAST IRON PIPING ELEMENTS. 'SANITATION' SERIES KNOWN AS THE 'EU' SERIES (SPIGOT AND SOCKET ENDED). JOINTING DIMENSIONS OF PIPES AND UNIONS. |