These abstracts of British Patent Specifications arc condensed, by permission, from the official specifications. Copies of the full specifications are obtainable from the Patent Office, 25 Southampton Buildings, W.C.2, price 3s. 6d. each.
Month in the Patent Office
Aircraft Engineering and Aerospace Technology ; 29 , 7 ; 225
1957-07-01
1 pages
Article (Journal)
Electronic Resource
English
Emerald Group Publishing | 1960
Emerald Group Publishing | 1959
Emerald Group Publishing | 1958
Emerald Group Publishing | 1957
Emerald Group Publishing | 1956