DIN 54377-2:1976-01

Отменен

Testing of pulp and paper; determination of the silicium(IV)-oxid content, photometric method — 3 стр.

Заменен на

DIN 54377-2:1987-05

ICS

85.040 Pulps / Целлюлоза

85.060 Paper and board / Бумага и картон