BS 7225-1-1.4:1989

Заменен

Classification of refractories. Shaped refractory products, Basic products containing more than 7% carbon — 10 стр.

Заменен на

BS EN 12475-3:1998

ICS

81.080 Refractories. Including ceramic refractories / Огнеупоры. Включая огнеупоры из керамики