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1“... time in this species. Alcohol bleaching may be responsible for this character not being previously...”
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2“... time in this species. Alcohol bleaching may be responsible for this character not being previously...”
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3by Champion Fibre Company;“... IL\CTl1RE M Y GHAU,.~S Olt' BLEACHED ~ULPHJTE PAPER.:·, ~\: " Hl ~t 1E FL JRH) NJ) SUPEU-CALEN DERED...”
Published 1927
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4by Champion Fibre Company;“... MANU·FACTURE MANY GRADES OF BLEACHE·D SULPHITE PAPERS, MACHL~ FINISH, AND StH>ER-CALENDEREll. ·- l 'x.:. P r...”
Published 1932
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