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Specification of Thomas Alva Edison
Thomas Alva EdisonGreat Britain. Patent Office
其他書名
Electric Lamps. Printed by Order of the Commissioners of Patents for Inventions
出版Published and sold at the Commissioners of Patents' Sale Department, 1882
URLhttp://books.google.com.hk/books?id=6Q1NHQAACAAJ&hl=&source=gbs_api