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 JP5959277ApriorityCriticalpatent/JPS53145081A/ja
Priority to GB41002/77Aprioritypatent/GB1589504A/en
Priority to DE2744525Aprioritypatent/DE2744525C2/de
Priority to IT69188/77Aprioritypatent/IT1091204B/it
Priority to US05/839,304prioritypatent/US4187484A/en
Publication of JPS53145081ApublicationCriticalpatent/JPS53145081A/ja
Publication of JPS5544415B2publicationCriticalpatent/JPS5544415B2/ja