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 IN454CA1989external-prioritypatent/IN172516B/en
Application filed by Albert Edward Rex, Robert John RexfiledCriticalAlbert Edward Rex
Priority to IN624CA1992priorityCriticalpatent/IN175628B/en
Publication of IN175628BpublicationCriticalpatent/IN175628B/en