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Application filedfiledCritical
Priority to JP2328271UpriorityCriticalpatent/JPS5010795Y2/ja
Priority to GB5483971Aprioritypatent/GB1324730A/en
Priority to DE19712158792prioritypatent/DE2158792C3/de
Priority to FR7142407Aprioritypatent/FR2135915A5/fr
Priority to CA138,735Aprioritypatent/CA953530A/en
Priority to IT2264572Aprioritypatent/IT950937B/it
Publication of JPS4722980UpublicationCriticalpatent/JPS4722980U/ja
Priority to US05/442,055prioritypatent/US4044593A/en
Application grantedgrantedCritical
Publication of JPS5010795Y2publicationCriticalpatent/JPS5010795Y2/ja