TY - JOUR AB - These details of British Patent Specifications are taken by permission from ‘Abridgments of Specifications—Patents for Inventions’. Copies of the full specifications are obtainable front the Patent Office, 25 Southampton Buildings, London, W.C.2, price 3s. 6d. each. VL - 34 IS - 4 SN - 0002-2667 DO - 10.1108/eb033556 UR - https://doi.org/10.1108/eb033556 PY - 1962 Y1 - 1962/01/01 TI - British Patent Abridgments T2 - Aircraft Engineering and Aerospace Technology PB - MCB UP Ltd SP - 124 EP - 124 Y2 - 2024/03/29 ER -