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Priority to JP2945288UpriorityCriticalpatent/JPH0437629Y2/ja
Priority to GB8815082Aprioritypatent/GB2215237B/en
Priority to US07/211,427prioritypatent/US4844354A/en
Priority to DE3821360Aprioritypatent/DE3821360A1/de
Publication of JPH01137741UpublicationCriticalpatent/JPH01137741U/ja
Application grantedgrantedCritical
Publication of JPH0437629Y2publicationCriticalpatent/JPH0437629Y2/ja