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Priority claimed from JP9351881Aexternal-prioritypatent/JPS57210052A/ja
Priority claimed from JP8920781Uexternal-prioritypatent/JPS6026150Y2/ja
Priority claimed from JP8920981Uexternal-prioritypatent/JPS6038706Y2/ja
Priority claimed from JP8920881Uexternal-prioritypatent/JPS6038705Y2/ja
Priority claimed from JP9351781Aexternal-prioritypatent/JPS57210051A/ja
Application filed by Maruzen Sewing MachinefiledCriticalMaruzen Sewing Machine
Publication of DK514681ApublicationCriticalpatent/DK514681A/da