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Priority to DE19702017299priorityCriticalpatent/DE2017299C2/de
Priority claimed from DE19702017299external-prioritypatent/DE2017299C2/de
Priority to SE454971Aprioritypatent/SE359007B/xx
Priority to GB2557271Aprioritypatent/GB1326678A/en
Publication of DE2017299A1publicationCriticalpatent/DE2017299A1/de
Publication of DE2017299B2publicationCriticalpatent/DE2017299B2/de
Priority to JP2578377Uprioritypatent/JPS52129413U/ja
Application grantedgrantedCritical
Publication of DE2017299C2publicationCriticalpatent/DE2017299C2/de