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Application filedfiledCritical
Priority to JP1987176639UpriorityCriticalpatent/JPH0428429Y2/ja
Priority to KR1019930000855Aprioritypatent/KR930000856B1/ko
Priority to DE3827300Aprioritypatent/DE3827300A1/de
Priority to SE8802870Aprioritypatent/SE8802870L/
Priority to GB8819167Aprioritypatent/GB2208595B/en
Priority to US07/231,762prioritypatent/US5020169A/en
Publication of JPH0180047UpublicationCriticalpatent/JPH0180047U/ja
Application grantedgrantedCritical
Publication of JPH0428429Y2publicationCriticalpatent/JPH0428429Y2/ja