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Application filedfiledCritical
Priority to JP5295476UpriorityCriticalpatent/JPS5441859Y2/ja
Priority to US05/748,462prioritypatent/US4144859A/en
Priority to DE19762656818prioritypatent/DE2656818A1/de
Publication of JPS52145227UpublicationCriticalpatent/JPS52145227U/ja
Application grantedgrantedCritical
Publication of JPS5441859Y2publicationCriticalpatent/JPS5441859Y2/ja