DIN 12472:1976-05

Отменен

Laboratory glassware; levelling bulb — 1 стр.

Ссылочные документы

DIN 12111:1976-05

Отменен

Testing of glass; grain method for determination of the hydrolytic resistance of glass as a material at 98 °C and classification of glass into hydrolytic classes — 4 стр.