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Priority to JP2157687UpriorityCriticalpatent/JPH0241621Y2/ja
Priority to DE3804917Aprioritypatent/DE3804917A1/de
Priority to US07/158,139prioritypatent/US4812863A/en
Priority to GB8803644Aprioritypatent/GB2202056B/en
Publication of JPS63191331UpublicationCriticalpatent/JPS63191331U/ja
Application grantedgrantedCritical
Publication of JPH0241621Y2publicationCriticalpatent/JPH0241621Y2/ja
