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Application filedfiledCritical
Priority to JP6465987UpriorityCriticalpatent/JPH0348471Y2/ja
Priority to US07/053,056prioritypatent/US4776616A/en
Priority to GB8712317Aprioritypatent/GB2192247B/en
Priority to KR1019870005188Aprioritypatent/KR900008344B1/ko
Priority to DE19873717752prioritypatent/DE3717752A1/de
Publication of JPS63171783UpublicationCriticalpatent/JPS63171783U/ja
Application grantedgrantedCritical
Publication of JPH0348471Y2publicationCriticalpatent/JPH0348471Y2/ja
