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John Drummond

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Country: Canada

Ozonizer and gas sensor

C - Chemistry – Metallurgy – 01 – B
Patent

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Ultrasonic drive/sense circuitry for automated fastener...

G - Physics – 01 – H
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Wire spring making machine

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Patent

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Ozonizer and gas sensor

C - Chemistry – Metallurgy – 01 – B
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Wire spring making machine

Uncategorized
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFCA-PAI-P-915723

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