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Priority claimed from JP17869394Aexternal-prioritypatent/JP3349830B2/en
Application filed by Oki Electric Ind Co LtdfiledCriticalOki Electric Ind Co Ltd
Priority to SG1995000973ApriorityCriticalpatent/SG32428A1/en
Publication of SG32428A1publicationCriticalpatent/SG32428A1/en