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Priority to JP1973141534UpriorityCriticalpatent/JPS5442670Y2/ja
Priority to US05/511,755prioritypatent/US3994582A/en
Priority to GB43223/74Aprioritypatent/GB1489211A/en
Priority to DE2447472Aprioritypatent/DE2447472C3/de
Publication of JPS5085244UpublicationCriticalpatent/JPS5085244U/ja
Application grantedgrantedCritical
Publication of JPS5442670Y2publicationCriticalpatent/JPS5442670Y2/ja