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Priority to JP2425880UpriorityCriticalpatent/JPS6270Y2/ja
Priority to DE19813106165prioritypatent/DE3106165A1/de
Publication of JPS56127976UpublicationCriticalpatent/JPS56127976U/ja
Application grantedgrantedCritical
Publication of JPS6270Y2publicationCriticalpatent/JPS6270Y2/ja