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Application filedfiledCritical
Priority to JP1976085082UpriorityCriticalpatent/JPS5649448Y2/ja
Priority to GB4519/80Aprioritypatent/GB1589993A/en
Priority to GB26839/77Aprioritypatent/GB1589992A/en
Priority to DE2729151Aprioritypatent/DE2729151C2/de
Priority to US05/811,386prioritypatent/US4195392A/en
Publication of JPS535114UpublicationCriticalpatent/JPS535114U/ja
Priority to US06/024,377prioritypatent/US4232433A/en
Application grantedgrantedCritical
Publication of JPS5649448Y2publicationCriticalpatent/JPS5649448Y2/ja