Classification key for patent specifications 1,100,001 - 1,150,000
By: [British Patent Office].
Publisher: The Patent Office : [distributed by H.M.S.O.]
Published: 1967
Place of publication: London
Language: eng
Table of contents: value: [1]. Structure of the classification key.; value: [2]. Divisions A1 to A3, Agriculture, food, tobacco, apparel.; value: [3]. Divisions B1-B2, Catalysts, mixing, crushing, separating, spraying.; value: [4]. Division C1, Inorganic chemistry, glass, fertilizers, explosives.; value: [5]. Divisions D1-D2, Textiles, sewing, ropes, paper.; value: [6]. Divisions E1-E2, Civil engineering, building, building accessories, fastenings.; value: [7]. Division F1, Prime movers, pumps.; value: [8]. Division G1, Measuring, Testing.; value: [9]. Division H1, Circuit elements.