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 JP4731774ApriorityCriticalpatent/JPS50139537A/ja
Priority to IT6805375Aprioritypatent/IT1032747B/it
Priority to ES1975211858Uprioritypatent/ES211858Y/es
Priority to BR7503255Dprioritypatent/BR7502566A/pt
Publication of JPS50139537ApublicationCriticalpatent/JPS50139537A/ja
Priority to HK35878Aprioritypatent/HK35878A/xx
Priority to MY7800353Aprioritypatent/MY7800353A/xx