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 JP49006873ApriorityCriticalpatent/JPS5922322B2/ja
Priority to CA217,519Aprioritypatent/CA1055794A/en
Priority to GB87075Aprioritypatent/GB1472391A/en
Publication of JPS50101428ApublicationCriticalpatent/JPS50101428A/ja
Priority to US06/514,851prioritypatent/US4511624A/en
Publication of JPS5922322B2publicationCriticalpatent/JPS5922322B2/ja