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 JP3520173ApriorityCriticalpatent/JPS542845B2/ja
Priority to US453397Aprioritypatent/US3901593A/en
Priority to DE2413895Aprioritypatent/DE2413895C2/de
Priority to DE2463003Aprioritypatent/DE2463003C2/de
Priority to FR7410460Aprioritypatent/FR2223723B1/fr
Publication of JPS49123026ApublicationCriticalpatent/JPS49123026A/ja
Publication of JPS542845B2publicationCriticalpatent/JPS542845B2/ja