TY - JOUR AB - These abstracts of British Patent Specifications are 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. VL - 29 IS - 5 SN - 0002-2667 DO - 10.1108/eb032833 UR - https://doi.org/10.1108/eb032833 PY - 1957 Y1 - 1957/01/01 TI - Month in the Patent Office T2 - Aircraft Engineering and Aerospace Technology PB - MCB UP Ltd SP - 161 EP - 161 Y2 - 2024/04/20 ER -