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Laystall Engineering Co Ltd
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Laystall Engineering Co Ltd
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Priority to ES288691ApriorityCriticalpatent/ES288691A3/es
Publication of ES288691A3publicationCriticalpatent/ES288691A3/es
Procédé pour former une pellicule photoconductrice et semi-conductrice disposée sur une sous-couche non conductrice et pellicule obtenue par le procédé
Verfahren zur Herstellung von gekrümmten Hüllen in Form eines zylindrischen Ringes (Torus) mit an seiner Innenseite liegender Naht, insbesondere solchen zur Umhüllung der Bögen isolierter Rohre