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 JP49048573ApriorityCriticalpatent/JPS588497B2/ja
Priority to DE19752519403prioritypatent/DE2519403A1/de
Priority to GB1809475Aprioritypatent/GB1464051A/en
Priority to US05/573,232prioritypatent/US4078935A/en
Publication of JPS50141323ApublicationCriticalpatent/JPS50141323A/ja
Publication of JPS588497B2publicationCriticalpatent/JPS588497B2/ja