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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Publication date
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Priority to JP5293872ApriorityCriticalpatent/JPS4910173A/ja
Priority to DE2300273Aprioritypatent/DE2300273C3/de
Priority to GB86573Aprioritypatent/GB1372511A/en
Priority to FR7300423Aprioritypatent/FR2167782B1/fr
Publication of JPS4910173ApublicationCriticalpatent/JPS4910173A/ja
Priority to US49658474prioritypatent/US3924139A/en
