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Application filed by Ewald Gull AdolffiledCriticalEwald Gull Adolf
Publication of CH136609ApublicationCriticalpatent/CH136609A/fr
Procédé de refroidissement d'une gaine extrudée d'une tête de soufflage de feuilles en bain fondu de matière synthétique thermoplastique et dispositif pour la mise en Óoeuvre de celui-ci.