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Reference Index of Patents of Inventions from March 2, 1617 (14 James I.) to October 1, 1852 (16 Victoriæ) ...
Great Britain. Patent Office
其他書名
Printed and Published by Order of the Honourable the Commissioners of Patents ...
出版Great Seal Patent Office, 1855
URLhttp://books.google.com.hk/books?id=NdY1AQAAMAAJ&hl=&source=gbs_api
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