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Priority claimed from JP56003263Aexternal-prioritypatent/JPS57118509A/ja
Priority claimed from JP56032951Aexternal-prioritypatent/JPS57146722A/ja
Priority claimed from JP56184861Aexternal-prioritypatent/JPS5885813A/ja
Application filed by Toyo Jozo KkfiledCriticalToyo Jozo Kk
Publication of IT8219097A0publicationCriticalpatent/IT8219097A0/it
Application grantedgrantedCritical
Publication of IT1200566BpublicationCriticalpatent/IT1200566B/it