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Priority claimed from CH221168Aexternal-prioritypatent/CH463722A/de
Priority claimed from CH955468Aexternal-prioritypatent/CH484669A/de
Application filed by Walter HesenerfiledCriticalWalter Hesener
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Publication of AT292956BpublicationCriticalpatent/AT292956B/de
Verfahren und Vorrichtung zum Einführen eines biegsamen Ringes in ein praktisch rohrförmiges Werkstück und zum Einlegen des Ringes in eine inwendige Spur