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 JP12141673ApriorityCriticalpatent/JPS5334623B2/ja
Priority to GB45900/74Aprioritypatent/GB1487604A/en
Priority to US05/517,181prioritypatent/US3956019A/en
Priority to DE2451331Aprioritypatent/DE2451331C3/de
Publication of JPS5070833ApublicationCriticalpatent/JPS5070833A/ja
Publication of JPS5334623B2publicationCriticalpatent/JPS5334623B2/ja