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 Bates Valve Bag CompanyfiledCriticalBates Valve Bag Company
Priority to GR250100901ApriorityCriticalpatent/GR901B/en
Publication of GR901BpublicationCriticalpatent/GR901B/en