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Priority to JP6466287UpriorityCriticalpatent/JPH0341187Y2/ja
Priority to US07/053,056prioritypatent/US4776616A/en
Priority to GB8712317Aprioritypatent/GB2192247B/en
Priority to DE19873717752prioritypatent/DE3717752A1/de
Publication of JPS63171786UpublicationCriticalpatent/JPS63171786U/ja
Application grantedgrantedCritical
Publication of JPH0341187Y2publicationCriticalpatent/JPH0341187Y2/ja
