Legal status (The legal status 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 status listed.)
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Carbide and Carbon Chemicals Corp
Original Assignee
Carbide and Carbon Chemicals Corp
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Filing date
Publication date
Application filed by Carbide and Carbon Chemicals CorpfiledCriticalCarbide and Carbon Chemicals Corp
Application grantedgrantedCritical
Publication of FR827757ApublicationCriticalpatent/FR827757A/fr