Add this copy of British Patents of Invention 1617 to 1977 a Guide for to cart. $54.29, new condition, Sold by discount_scientific_books rated 4.0 out of 5 stars, ships from Sterling Heights, MI, UNITED STATES, published 1999 by British Library.
Add this copy of British Patents of Invention, 1617-1977: a Guide for to cart. $132.14, new condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 1999 by The British Library.