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 JP2840877ApriorityCriticalpatent/JPS53113523A/ja
Priority to US05/883,986prioritypatent/US4235302A/en
Priority to GB9243/78Aprioritypatent/GB1599545A/en
Priority to DE2810930Aprioritypatent/DE2810930C3/de
Publication of JPS53113523ApublicationCriticalpatent/JPS53113523A/ja
Publication of JPS575394B2publicationCriticalpatent/JPS575394B2/ja