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.)
Filing date
Publication date
Application filed by Evanite Fiber CorpfiledCriticalEvanite Fiber Corp
Priority to IN781CA1991priorityCriticalpatent/IN177597B/en
Publication of IN177597BpublicationCriticalpatent/IN177597B/en