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Priority to JP1168072UpriorityCriticalpatent/JPS5325769Y2/ja
Priority to US05/397,803prioritypatent/US3950627A/en
Priority to CA181,578Aprioritypatent/CA1018219A/en
Priority to DE2347722Aprioritypatent/DE2347722C3/de
Publication of JPS4888406UpublicationCriticalpatent/JPS4888406U/ja
Application grantedgrantedCritical
Publication of JPS5325769Y2publicationCriticalpatent/JPS5325769Y2/ja