Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Priority to JP8024985UpriorityCriticalpatent/JPS61195644U/ja
Priority to US06/840,942prioritypatent/US4729024A/en
Publication of JPS61195644UpublicationCriticalpatent/JPS61195644U/ja
Priority to US07/098,022prioritypatent/US4851910A/en
