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Priority to JP616585UpriorityCriticalpatent/JPH0320779Y2/ja
Priority to US06/695,816prioritypatent/US4656377A/en
Priority to DE19853502899prioritypatent/DE3502899A1/de
Publication of JPS61122568UpublicationCriticalpatent/JPS61122568U/ja
Application grantedgrantedCritical
Publication of JPH0320779Y2publicationCriticalpatent/JPH0320779Y2/ja
