BS 4432-2:1980

Заменен

Methods for determining optical properties of pulp, paper and board, Measurement of diffuse blue reflectance factor (ISO brightness) of paper and board — 8 стр.

Описание Изменения Ссылки Версии

Ссылочные документы

BS ISO 2470:1999

Заменен

Paper, board and pulps. Measurement of diffuse blue reflectance factor (ISO brightness) — 16 стр.