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Application filedfiledCritical
Priority to JP1985070835UpriorityCriticalpatent/JPH0531104Y2/ja
Priority to US06/861,918prioritypatent/US4688602A/en
Publication of JPS61186560UpublicationCriticalpatent/JPS61186560U/ja
Priority to US07/003,416prioritypatent/US4727905A/en
Application grantedgrantedCritical
Publication of JPH0531104Y2publicationCriticalpatent/JPH0531104Y2/ja
