TY  - JOUR
AB  - Prime‐movers of the type having propulsive ducts at the ends of rotating radial arms constitute the power plant of a helicopter.
VL  - 23
IS  - 11
SN  - 0002-2667
DO  - 10.1108/eb032104
UR  - https://doi.org/10.1108/eb032104
PY  - 1951
Y1  - 1951/01/01
TI  - Month in the Patent Office
T2  - Aircraft Engineering and Aerospace Technology
PB  - MCB UP Ltd
SP  - 351
EP  - 351
Y2  - 2024/04/18
ER  -