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Priority to JP14906782UpriorityCriticalpatent/JPS5953529U/ja
Priority to GB08326285Aprioritypatent/GB2129599B/en
Priority to CA000438119Aprioritypatent/CA1207442A/en
Priority to AU19797/83Aprioritypatent/AU547032B2/en
Publication of JPS5953529UpublicationCriticalpatent/JPS5953529U/ja
Priority to US06/869,843prioritypatent/US4672492A/en
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Publication of JPH039129Y2publicationCriticalpatent/JPH039129Y2/ja