BS 7225-1-1.3:1989

Заменен

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

Заменен на

BS EN 12475-2:1998

ICS

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