- All sections
- C - Chemistrymetallurgy
- C21B - Manufacture of iron or steel
- C21B 9/00 - Stoves for heating the blast in blast furnaces
Patent holdings for IPC class C21B 9/00
Total number of patents in this class: 25
10-year publication summary
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0
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0
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0
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2
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2
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4
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0
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0
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1
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0
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