UNE-EN 20187:1994 PAPER, BOARD ANS PULPS. STANDARD ATMOSPHERE FOR CONDITIONING AND TESTING AND PROCEDURE FOR MONITORING THE ATMOSPHERE AND CONDITIONING OF SAMPLES. (ISO 187:1990).
1994UNE-EN 20187:1994 PAPER, BOARD ANS PULPS. STANDARD ATMOSPHERE FOR CONDITIONING AND TESTING AND PROCEDURE FOR MONITORING THE ATMOSPHERE AND CONDITIONING OF SAMPLES. (ISO 187:1990).