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Priority to JP10788972UpriorityCriticalpatent/JPS5029590Y2/ja
Priority to GB4284073Aprioritypatent/GB1432598A/en
Publication of JPS4964094UpublicationCriticalpatent/JPS4964094U/ja
Application grantedgrantedCritical
Publication of JPS5029590Y2publicationCriticalpatent/JPS5029590Y2/ja