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Priority to JP1990080559UpriorityCriticalpatent/JPH0750377Y2/ja
Priority to ITRM910253Aprioritypatent/IT1244556B/it
Priority to DE4112073Aprioritypatent/DE4112073A1/de
Publication of JPH0440070UpublicationCriticalpatent/JPH0440070U/ja
Priority to US07/924,593prioritypatent/US5289983A/en
Application grantedgrantedCritical
Publication of JPH0750377Y2publicationCriticalpatent/JPH0750377Y2/ja
