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 JP12034585UpriorityCriticalpatent/JPS6228901U/ja
Priority to DE19863615177prioritypatent/DE3615177A1/de
Publication of JPS6228901UpublicationCriticalpatent/JPS6228901U/ja
Priority to US07/022,544prioritypatent/US4732176A/en
