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Priority to JP1989029225UpriorityCriticalpatent/JP2536631Y2/ja
Priority to DE69009546Tprioritypatent/DE69009546D1/de
Priority to EP90302645Aprioritypatent/EP0388138B1/en
Priority to US07/493,516prioritypatent/US4964093A/en
Publication of JPH02120091UpublicationCriticalpatent/JPH02120091U/ja
Priority to HK116295Aprioritypatent/HK116295A/xx
Application grantedgrantedCritical
Publication of JP2536631Y2publicationCriticalpatent/JP2536631Y2/ja