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 JP47006785ApriorityCriticalpatent/JPS5116503B2/ja
Priority to CA155,225Aprioritypatent/CA1006750A/en
Priority to US387240Aprioritypatent/US3886855A/en
Publication of JPS4875737ApublicationCriticalpatent/JPS4875737A/ja
Publication of JPS5116503B2publicationCriticalpatent/JPS5116503B2/ja
