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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Priority to JP4623474ApriorityCriticalpatent/JPS5644547B2/ja
Priority to US05/548,663prioritypatent/US3961225A/en
Priority to GB6857/75Aprioritypatent/GB1494021A/en
Priority to FR7505697Aprioritypatent/FR2262422B1/fr
Priority to DE2508140Aprioritypatent/DE2508140C3/de
Publication of JPS50139349ApublicationCriticalpatent/JPS50139349A/ja
Publication of JPS5644547B2publicationCriticalpatent/JPS5644547B2/ja