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 JP4240572ApriorityCriticalpatent/JPS5524939B2/ja
Priority to GB1963073Aprioritypatent/GB1424702A/en
Priority to IT23437/73Aprioritypatent/IT982835B/it
Priority to FR7315465Aprioritypatent/FR2182210B1/fr
Priority to DE2321509Aprioritypatent/DE2321509C3/de
Publication of JPS492787ApublicationCriticalpatent/JPS492787A/ja
Publication of JPS5524939B2publicationCriticalpatent/JPS5524939B2/ja