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Priority claimed from JP60169272Aexternal-prioritypatent/JPH0626741B2/en
Priority claimed from JP2691186Uexternal-prioritypatent/JPS62137631U/ja
Application filed by Aida Eng LtdfiledCriticalAida Eng Ltd
Priority claimed from EP86109693Aexternal-prioritypatent/EP0210535B1/en
Application grantedgrantedCritical
Publication of ATE54079T1publicationCriticalpatent/ATE54079T1/en