- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F42B - Explosive charges, e.g. for blastingfireworksammunition
- F42B 3/198 - Manufacture of electric initiator heads
Patent holdings for IPC class F42B 3/198
Total number of patents in this class: 38
10-year publication summary
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4
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3
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5
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5
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4
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3
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1
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0
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4
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2
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