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Application filedfiledCritical
Priority to JP1987099964UpriorityCriticalpatent/JPH053162Y2/ja
Priority to EP88109931Aprioritypatent/EP0297412B1/en
Priority to DE88109931Tprioritypatent/DE3883870T2/de
Priority to DE198888109931Tprioritypatent/DE297412T1/de
Priority to US07/212,781prioritypatent/US4872445A/en
Publication of JPS644337UpublicationCriticalpatent/JPS644337U/ja
Application grantedgrantedCritical
Publication of JPH053162Y2publicationCriticalpatent/JPH053162Y2/ja
