International classification of patents for invention under the European Convention of 19th December 1954 / Committee of Experts on Patents.
Av: Council of Europe. Committee of Experts on Patents.
Materialtyp: BokFörläggare: Strasbourg : The Committee, 1963-1966Beskrivning: 8 v. in 9.Ämnen: Patentklasser | IPC | Patent classification
Innehåll:
Reservationskommentar:
[v. 1] Sect. A. Human necessities.-[v. 2] Sect. B. Performing operations, Part 1.-[v. 2] Sect. B. Performing operations, Part 2.-[v. 3] Sect. C. Chemistry and metallurgy.-[v. 4] Sect. D. Textiles and paper.-[v. 5] Sect. E. Fixed constructions.-[v. 6] Sect. F. Mechanics, Lighting, and Heating.-[v. 7] Sect. G. Physics.-[v. 8] Sect. H. Electricity.