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Priority claimed from JP5386595Aexternal-prioritypatent/JPH08250477A/ja
Priority claimed from JP07071021Aexternal-prioritypatent/JP3075130B2/ja
Priority claimed from JP7071070Aexternal-prioritypatent/JP3067579B2/ja
Application filed by Sumitomo Metal IndfiledCriticalSumitomo Metal Ind
Publication of TW322241UpublicationCriticalpatent/TW322241U/zh