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VER GLASFABRIKEN UNITED GLASSW
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VER GLASFABRIKEN UNITED GLASSW
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Priority to ES0285758ApriorityCriticalpatent/ES285758A3/es
Publication of ES285758A3publicationCriticalpatent/ES285758A3/es
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