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 JP15551786UpriorityCriticalpatent/JPS6361503U/ja
Priority to US07/106,246prioritypatent/US4831975A/en
Publication of JPS6361503UpublicationCriticalpatent/JPS6361503U/ja
