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Priority to JP1987158968UpriorityCriticalpatent/JPH0429157Y2/ja
Priority to EP88117162Aprioritypatent/EP0312110B1/en
Priority to DE3850929Tprioritypatent/DE3850929T2/de
Priority to US07/257,902prioritypatent/US5029680A/en
Publication of JPH0162937UpublicationCriticalpatent/JPH0162937U/ja
Application grantedgrantedCritical
Publication of JPH0429157Y2publicationCriticalpatent/JPH0429157Y2/ja
