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 JP9117479ApriorityCriticalpatent/JPS5614250A/ja
Priority to GB8023091Aprioritypatent/GB2058400B/en
Priority to DE19803026952prioritypatent/DE3026952A1/de
Publication of JPS5614250ApublicationCriticalpatent/JPS5614250A/ja
Priority to US06/428,956prioritypatent/US4477179A/en
Publication of JPS6361661B2publicationCriticalpatent/JPS6361661B2/ja