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Priority to JP9835784UpriorityCriticalpatent/JPS6113898U/ja
Priority to US06/710,219prioritypatent/US4692741A/en
Priority to CA000477369Aprioritypatent/CA1235316A/en
Priority to GB08507871Aprioritypatent/GB2162676B/en
Publication of JPS6113898UpublicationCriticalpatent/JPS6113898U/ja
Application grantedgrantedCritical
Publication of JPH0350557Y2publicationCriticalpatent/JPH0350557Y2/ja