Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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2223/00
Investigating materials by wave or particle radiation
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G01N2223/60
Specific applications or type of materials
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G01N2223/611
patterned objects; electronic devices
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G01N2223/6113
printed circuit board [PCB]
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