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Priority to JP10628372UpriorityCriticalpatent/JPS5122986Y2/ja
Priority to US348027Aprioritypatent/US3896913A/en
Priority to GB1639373Aprioritypatent/GB1399848A/en
Publication of JPS4960114UpublicationCriticalpatent/JPS4960114U/ja
Application grantedgrantedCritical
Publication of JPS5122986Y2publicationCriticalpatent/JPS5122986Y2/ja
Priority to US05/736,774prioritypatent/US4144853A/en