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Priority to JP50015373ApriorityCriticalpatent/JPS5191048A/ja
Priority to DE19752546965prioritypatent/DE2546965A1/de
Priority to US05/628,977prioritypatent/US4087893A/en
Publication of JPS5191048ApublicationCriticalpatent/JPS5191048A/ja
Publication of JPS5642835B2publicationCriticalpatent/JPS5642835B2/ja