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Priority to JP5103488UpriorityCriticalpatent/JPH01155462U/ja
Priority to US07/324,235prioritypatent/US5109534A/en
Priority to DE8989105462Tprioritypatent/DE68902671T2/de
Priority to EP89105462Aprioritypatent/EP0337184B1/en
Publication of JPH01155462UpublicationCriticalpatent/JPH01155462U/ja