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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Priority claimed from JP1987176117Uexternal-prioritypatent/JPH0222144Y2/ja
Application filed by Hakko CorpfiledCriticalHakko Corp
Priority to SG86294ApriorityCriticalpatent/SG86294G/en
Publication of SG86294GpublicationCriticalpatent/SG86294G/en