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.)
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Publication date
Application filedfiledCritical
Priority to JP1975025191UpriorityCriticalpatent/JPS5526757Y2/ja
Priority to US05/646,938prioritypatent/US4111142A/en
Priority to GB36976Aprioritypatent/GB1475485A/en
Publication of JPS51106664UpublicationCriticalpatent/JPS51106664U/ja
Application grantedgrantedCritical
Publication of JPS5526757Y2publicationCriticalpatent/JPS5526757Y2/ja
