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Application filedfiledCritical
Priority to JP5173874UpriorityCriticalpatent/JPS5341680Y2/ja
Priority to US05/570,079prioritypatent/US4050638A/en
Priority to DE2518072Aprioritypatent/DE2518072C3/de
Priority to FR7512690Aprioritypatent/FR2269177B1/fr
Publication of JPS50139900UpublicationCriticalpatent/JPS50139900U/ja
Application grantedgrantedCritical
Publication of JPS5341680Y2publicationCriticalpatent/JPS5341680Y2/ja