-
625.
Metallurgic chemistry
Subjects
-
626.
Metallurgy
Subjects
Ores
-
627.
Meteorological satellites
Subjects
Scientific satellites
-
628.
Mice (input device)
Genre/Form
Equipment
-
629.
Microbial biotechnology
Subjects
BiotechnologyIndustrial microbiology
-
630.
Microbial contamination
Subjects
Pollution
-
631.
Microbial enzymes
Subjects
EnzymesMicrobiological chemistry
-
632.
Microcontrollers
Subjects
Microprocessors
-
633.
Microelectromechanical systems
Subjects
Electromechanical devicesMechatronicsMicrotechnology
-
634.
Microelectronics
Subjects
ElectronicsMicrotechnologySemiconductors
-
635.
Microfabrication
Subjects
Manufacturing processes
-
636.
Microfluidics
Subjects
Fluid power technology
-
637.
Micromachining
Subjects
Machining
-
638.
Micromechanics
Subjects
Solid state physics
-
639.
Microphones
Subjects
Audio equipmentTransducers
-
640.
Microphones
Genre/Form
Equipment
-
641.
Microprocessors
Subjects
MicrocomputersMinicomputers
-
642.
Microwave antennas
Subjects
Antennas (Electronics)Microwave devices
-
643.
Microwave circuits
Subjects
Electronic circuitsMicrowave devices
-
644.
Microwave communication systems
Subjects
Microwave devicesTelecommunication systems
-
645.
Microwave devices
Subjects
Electric apparatus and appliancesMicrowaves
-
646.
Microwave integrated circuits
Subjects
Microwave circuitsIntegrated circuits
-
647.
Microwave transmission lines
Subjects
Electric linesMicrowaves
-
648.
Military aeronautics
Subjects
Military redainessMilitary art and science
Last updated dated: 21/02/2026