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Steele's Catalog and Technic Book : Illustrating and Describing the Products Manufactured by the Columbus Dental Manufacturing Company and Recommendations for the Correct Use of Steele's Interchangable Teeth, Backings and Accessories

出版	Columbus Dental Manufacturing Company, 1952
URL	http://books.google.com.hk/books?id=behpAAAAMAAJ&hl=&source=gbs_api