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Priority claimed from JP723172Aexternal-prioritypatent/JPS5420531B2/ja
Priority claimed from JP1667672Aexternal-prioritypatent/JPS4896629A/ja
Priority claimed from JP1690872Aexternal-prioritypatent/JPS529698B2/ja
Application filed by Riken Light Metal Ind Co, Kuboko Paint CofiledCriticalRiken Light Metal Ind Co
Publication of ATA46173ApublicationCriticalpatent/ATA46173A/en
Application grantedgrantedCritical
Publication of AT327351BpublicationCriticalpatent/AT327351B/en