- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F17B - Gas-holders of variable capacity
- F17B 1/12 - Gas admission or discharge arrangements
Patent holdings for IPC class F17B 1/12
Total number of patents in this class: 17
10-year publication summary
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0
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0
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0
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0
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0
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1
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0
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1
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4
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0
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