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Priority to JP1976070242UpriorityCriticalpatent/JPS5621933Y2/ja
Priority to GB2285777Aprioritypatent/GB1582210A/en
Publication of JPS52161806UpublicationCriticalpatent/JPS52161806U/ja
Application grantedgrantedCritical
Publication of JPS5621933Y2publicationCriticalpatent/JPS5621933Y2/ja
Priority to SG83083Aprioritypatent/SG83083G/en
Priority to MY8500231Aprioritypatent/MY8500231A/xx