- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 23/221 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by measuring secondary emission from the material by activation analysis
Patent holdings for IPC class G01N 23/221
Total number of patents in this class: 32
10-year publication summary
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2
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0
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4
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4
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5
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7
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1
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2
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1
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0
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