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FR505743D1918-10-011919-09-02Perfectionnements à la distillation du bois, de la fibre de bois et des autres matières charbonneuses similaires
ExpiredFR505743A
(fr)
Procédé perfectionné pour augmenter la résistance et éliminer la capacité hygroscopique des matières ligneuses et plus généralement des articles en bois