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Priority to JP3585374ApriorityCriticalpatent/JPS5410238B2/ja
Priority to US05/562,982prioritypatent/US4142780A/en
Priority to CH411075Aprioritypatent/CH621038GA3/xx
Publication of JPS50129048ApublicationCriticalpatent/JPS50129048A/ja
Publication of JPS5410238B2publicationCriticalpatent/JPS5410238B2/ja