-
649.
Military airplames
Subjects
Military aeronauticsAir warfare
-
650.
Military communications
Subjects
Communications
-
651.
Military engineering
Subjects
Engineering
-
652.
Military engineers
Subjects
EngineersMilitary research
-
653.
Military helicopters
Subjects
Military airplamesHelicopters
-
654.
Military psychology
Subjects
Applied psychology
-
655.
Military redainess
Subjects
Military art and science
-
656.
Military strategy
Subjects
War
-
657.
Military vehicles
Subjects
Military transportation
-
658.
Milling-machines
Subjects
Agricultural machinery
-
659.
Mills
Subjects
Manufacturing processesTechnology
-
660.
MIMO systems
Subjects
Wireless communication systems
-
661.
Mine railroads
Subjects
Railroads
-
662.
Mine surveying
Subjects
Topography
-
663.
Mine water
Subjects
Hydraulic structures
-
664.
Mineral industries
Subjects
Industry
-
665.
Mineral waters
Subjects
WaterNon-alcoholic beveragesSprings
-
666.
Miners
Subjects
-
667.
Mines (Military explosives)
Subjects
Ammunition
-
668.
Mines and mineral resources
Subjects
ConcessionsOresNatural resources
-
669.
Minicomputers
Subjects
Computers
-
670.
Mining engineering
Subjects
Civil engineeringMines and mineral resources
-
671.
Minitel (Videotex system)
Subjects
Videotex systems
-
672.
Mixing machinery
Subjects
Machinery
Last updated dated: 21/02/2026