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Priority to JP4133087UpriorityCriticalpatent/JPH0340361Y2/ja
Priority to US07/170,962prioritypatent/US5067938A/en
Priority to DE8888104382Tprioritypatent/DE3872005T2/de
Priority to EP88104382Aprioritypatent/EP0283043B1/en
Publication of JPS63149253UpublicationCriticalpatent/JPS63149253U/ja
Application grantedgrantedCritical
Publication of JPH0340361Y2publicationCriticalpatent/JPH0340361Y2/ja