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Application filedfiledCritical
Priority to JP8859374UpriorityCriticalpatent/JPS6038234Y2/ja
Priority to GB54389/74Aprioritypatent/GB1488914A/en
Priority to US05/534,067prioritypatent/US3998044A/en
Publication of JPS5117057UpublicationCriticalpatent/JPS5117057U/ja
Priority to HK23383Aprioritypatent/HK23383A/xx
Application grantedgrantedCritical
Publication of JPS6038234Y2publicationCriticalpatent/JPS6038234Y2/ja