TY - JOUR AB - Except where otherwise stated, the specification is unaccompanied by drawings if none is reproduced. VL - 20 IS - 4 SN - 0002-2667 DO - 10.1108/eb031630 UR - https://doi.org/10.1108/eb031630 PY - 1948 Y1 - 1948/01/01 TI - U.S. Patent Specifications T2 - Aircraft Engineering and Aerospace Technology PB - MCB UP Ltd SP - 126 EP - 126 Y2 - 2024/04/25 ER -