Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01B
MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
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11/00
Measuring arrangements characterised by the use of optical techniques
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G01B11/26
for measuring angles or tapers; for testing the alignment of axes
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G01B11/275
for testing wheel alignment
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