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 JP11414372ApriorityCriticalpatent/JPS55421B2/ja
Priority to GB4990673Aprioritypatent/GB1443190A/en
Priority to SE7315352Aprioritypatent/SE7315352L/sv
Priority to DE19732356898prioritypatent/DE2356898A1/de
Publication of JPS4973448ApublicationCriticalpatent/JPS4973448A/ja
Publication of JPS55421B2publicationCriticalpatent/JPS55421B2/ja