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.)
Filing date
Publication date
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Priority to JP4016074ApriorityCriticalpatent/JPS5331313B2/ja
Priority to US564648Aprioritypatent/US3929600A/en
Priority to GB14233/75Aprioritypatent/GB1491939A/en
Priority to DE2515539Aprioritypatent/DE2515539C3/de
Publication of JPS50131859ApublicationCriticalpatent/JPS50131859A/ja
Publication of JPS5331313B2publicationCriticalpatent/JPS5331313B2/ja
