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Application filedfiledCritical
Priority to JP1496785UpriorityCriticalpatent/JPH0421584Y2/ja
Priority to US06/772,938prioritypatent/US4671779A/en
Priority to GB08522132Aprioritypatent/GB2165765B/en
Priority to DE19853531957prioritypatent/DE3531957A1/de
Publication of JPS61130295UpublicationCriticalpatent/JPS61130295U/ja
Application grantedgrantedCritical
Publication of JPH0421584Y2publicationCriticalpatent/JPH0421584Y2/ja
