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Priority claimed from JP13773585Uexternal-prioritypatent/JPH0233944Y2/ja
Priority claimed from JP1985154225Uexternal-prioritypatent/JPS6267621U/ja
Priority claimed from JP1986026912Uexternal-prioritypatent/JPS62137632U/ja
Application filed by Aida Eng LtdfiledCriticalAida Eng Ltd
Priority claimed from EP86111404Aexternal-prioritypatent/EP0224652B1/de
Application grantedgrantedCritical
Publication of ATE50173T1publicationCriticalpatent/ATE50173T1/de