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Priority to JP5975780UpriorityCriticalpatent/JPS61545Y2/ja
Priority to DE19813117220prioritypatent/DE3117220A1/de
Publication of JPS56161173UpublicationCriticalpatent/JPS56161173U/ja
Application grantedgrantedCritical
Publication of JPS61545Y2publicationCriticalpatent/JPS61545Y2/ja