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Abstract of Replies to the Secretary of State's Circular Despatch of January 2, 1853, on the Subject of the Extension of Patents for Inventions to the Colonies
Great Britain. Colonial Office
出版G.E. Eyre and W. Spottiswoode, printers to the Queen, published at the Great Seal Patent Office, Holborn, 1859
URLhttp://books.google.com.hk/books?id=mXlBAQAAMAAJ&hl=&source=gbs_api
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