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Application filedfiledCritical
Priority to JP1978013500UpriorityCriticalpatent/JPS602925Y2/ja
Priority to US05/893,464prioritypatent/US4170177A/en
Priority to IT7848756Aprioritypatent/IT1156152B/it
Priority to DE2814889Aprioritypatent/DE2814889C3/de
Publication of JPS54119401UpublicationCriticalpatent/JPS54119401U/ja
Application grantedgrantedCritical
Publication of JPS602925Y2publicationCriticalpatent/JPS602925Y2/ja