Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filedfiledCritical
Priority to JP1977138414UpriorityCriticalpatent/JPS573661Y2/ja
Priority to US05/939,975prioritypatent/US4219723A/en
Priority to BE190378Aprioritypatent/BE870350A/xx
Publication of JPS5464128UpublicationCriticalpatent/JPS5464128U/ja
Application grantedgrantedCritical
Publication of JPS573661Y2publicationCriticalpatent/JPS573661Y2/ja
