-
649.
Military helicopters
Subjects
Military airplamesHelicopters
-
650.
Military psychology
Subjects
Applied psychology
-
651.
Military redainess
Subjects
Military art and science
-
652.
Military strategy
Subjects
War
-
653.
Military vehicles
Subjects
Military transportation
-
654.
Milling-machines
Subjects
Agricultural machinery
-
655.
Mills
Subjects
Manufacturing processesTechnology
-
656.
MIMO systems
Subjects
Wireless communication systems
-
657.
Mine railroads
Subjects
Railroads
-
658.
Mine surveying
Subjects
Topography
-
659.
Mine water
Subjects
Hydraulic structures
-
660.
Mineral industries
Subjects
Industry
-
661.
Mineral waters
Subjects
WaterNon-alcoholic beveragesSprings
-
662.
Miners
Subjects
-
663.
Mines (Military explosives)
Subjects
Ammunition
-
664.
Mines and mineral resources
Subjects
ConcessionsOresNatural resources
-
665.
Minicomputers
Subjects
Computers
-
666.
Mining engineering
Subjects
Civil engineeringMines and mineral resources
-
667.
Minitel (Videotex system)
Subjects
Videotex systems
-
668.
Mixing machinery
Subjects
Machinery
-
669.
Mobile communication systems
Subjects
Mobile computingWireless communication systems
-
670.
Mobile communication systems in education
Subjects
Education
-
671.
Mobile devices
Subjects
Mobile communication systems
-
672.
Models and model making
Subjects
HandicraftManual training
Last updated dated: 06/09/2025