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Priority to JP1980120665UpriorityCriticalpatent/JPS6229489Y2/ja
Priority to FI812591Aprioritypatent/FI812591L/fi
Priority to BR8105421Aprioritypatent/BR8105421A/pt
Priority to IN1242/CAL/81Aprioritypatent/IN156436B/en
Publication of JPS5744176UpublicationCriticalpatent/JPS5744176U/ja
Application grantedgrantedCritical
Publication of JPS6229489Y2publicationCriticalpatent/JPS6229489Y2/ja