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Priority to JP44029808ApriorityCriticalpatent/JPS5214572B1/ja
Priority to DE19702018594prioritypatent/DE2018594A1/de
Priority to GB1858470Aprioritypatent/GB1320754A/en
Priority to US00296965Aprioritypatent/US3829662A/en
Publication of JPS5214572B1publicationCriticalpatent/JPS5214572B1/ja