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Reference Index of Subjects Named in Schubarth's Repertorium Der Technischen Literatur with Corresponding References to Woodcroft's Subject-matter Indexes of Patents of Invention

Ernst Ludwig Schubarth

出版	Eyre and Spottiswoode, 1856
URL	http://books.google.com.hk/books?id=eiNPMwEACAAJ&hl=&source=gbs_api