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Priority to JP9153672ApriorityCriticalpatent/JPS531036B2/ja
Priority to DE2249144Aprioritypatent/DE2249144C3/de
Priority to NL7213557Aprioritypatent/NL7213557A/xx
Priority to US295554Aprioritypatent/US3896765A/en
Publication of JPS4947076ApublicationCriticalpatent/JPS4947076A/ja
Publication of JPS531036B2publicationCriticalpatent/JPS531036B2/ja