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 JP49006895ApriorityCriticalpatent/JPS604448B2/ja
Priority to US05/537,642prioritypatent/US4033685A/en
Priority to DE19752500474prioritypatent/DE2500474A1/de
Priority to FR7500709Aprioritypatent/FR2257923B1/fr
Publication of JPS50127628ApublicationCriticalpatent/JPS50127628A/ja
Publication of JPS604448B2publicationCriticalpatent/JPS604448B2/ja