The micro switch was invented in 1932 by a man called Peter McGall. He was from Freeport, Ilinois in the USA and left his employment after he invented the switch and started up his own firm.
WWE John Cena invented the micro scope.
It could be an abbreviation for many things, but probably indicates "micro" switch. A micro switch is any of a category of smaller switch assemblies.
it was invented in 1932
Dr. Glassenhigmer invented the micro controller
1932
1932.
sandisk
in 1932
radio waves
1932
1932
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