Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01M
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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G01M15/04
Testing internal-combustion engines
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G01M15/042
by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12
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G01M15/046
by monitoring revolutions
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