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Application filedfiledCritical
Priority to JP1976025097UpriorityCriticalpatent/JPS5733425Y2/ja
Priority to DE19772707337prioritypatent/DE2707337A1/de
Priority to GB7837/77Aprioritypatent/GB1537423A/en
Priority to US05/772,566prioritypatent/US4127984A/en
Publication of JPS52116949UpublicationCriticalpatent/JPS52116949U/ja
Application grantedgrantedCritical
Publication of JPS5733425Y2publicationCriticalpatent/JPS5733425Y2/ja