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
Application filed by Bausch & LombfiledCriticalBausch & Lomb
Priority to IN793DE1993priorityCriticalpatent/IN187173B/en
Publication of IN187173BpublicationCriticalpatent/IN187173B/en