Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from GB8720089Aexternal-prioritypatent/GB2209109A/en
Application filed by Philips Electronics NvfiledCriticalPhilips Electronics Nv
Priority to SG146694ApriorityCriticalpatent/SG146694G/en
Publication of SG146694GpublicationCriticalpatent/SG146694G/en