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.)
Priority date (The priority date 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 date listed.)
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Publication date
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Priority to JP10511872ApriorityCriticalpatent/JPS5539806B2/ja
Priority to CA180,763Aprioritypatent/CA1013843A/en
Priority to US396174Aprioritypatent/US3909116A/en
Publication of JPS4964451ApublicationCriticalpatent/JPS4964451A/ja
Priority to US05/568,466prioritypatent/US3990783A/en
Publication of JPS5539806B2publicationCriticalpatent/JPS5539806B2/ja
