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Priority to JP6978683UpriorityCriticalpatent/JPS59175630U/ja
Priority to US06/563,970prioritypatent/US4503814A/en
Priority to DE3346511Aprioritypatent/DE3346511A1/de
Priority to AU22875/83Aprioritypatent/AU560107B2/en
Publication of JPS59175630UpublicationCriticalpatent/JPS59175630U/ja
Application grantedgrantedCritical
Publication of JPH0318655Y2publicationCriticalpatent/JPH0318655Y2/ja