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Priority to JP1985075052UpriorityCriticalpatent/JPH0347488Y2/ja
Priority to EP85304934Aprioritypatent/EP0169687A1/en
Priority to DK315885Aprioritypatent/DK315885A/da
Publication of JPS61191767UpublicationCriticalpatent/JPS61191767U/ja
Application grantedgrantedCritical
Publication of JPH0347488Y2publicationCriticalpatent/JPH0347488Y2/ja