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PEGSON LD.'S APPLICATION FOR EXTENSION OF LETTERS PATENT NO. 491,436
Publication year - 1954
Publication title -
reports of patent design and trade mark cases
Language(s) - English
Resource type - Journals
eISSN - 1756-1000
pISSN - 0080-1364
DOI - 10.1093/rpc/71.22.427
Subject(s) - extension (predicate logic) , psychology , computer science , programming language

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