DIN 51070-4:1966-02

Отменен

Testing of ceramic materials; chemical analysis of refractories mainly consisting of alumina and silica, determination of titania — 2 стр.

Заменен на

DIN EN 955-2:1995-06

ICS

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