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Priority claimed from US08/328,584external-prioritypatent/US5453403A/en
Application filed by Teo Yeow Meng, Liu Lian JunfiledCriticalTeo Yeow Meng
Priority to SG1995001600ApriorityCriticalpatent/SG35023A1/en
Publication of SG35023A1publicationCriticalpatent/SG35023A1/en