- All sections
- C - Chemistrymetallurgy
- C10C - Working-up tar, pitch, asphalt, bitumenpyroligneous acid
- C10C 3/12 - Devices therefor
Patent holdings for IPC class C10C 3/12
Total number of patents in this class: 17
10-year publication summary
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4
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4
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3
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1
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2
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0
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5
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2
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1
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1
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