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Application filedfiledCritical
Priority to JP1976009191UpriorityCriticalpatent/JPS572975Y2/ja
Priority to US05/760,425prioritypatent/US4109258A/en
Priority to DE19772702259prioritypatent/DE2702259A1/de
Publication of JPS52101443UpublicationCriticalpatent/JPS52101443U/ja
Application grantedgrantedCritical
Publication of JPS572975Y2publicationCriticalpatent/JPS572975Y2/ja