4. H - Electricity
  5. 05
  6. B

Johannes Otto Rooymans

H - Electricity – 05 – B

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Inventor

Country: Netherlands

Electric circuit, use of a semiconductor component and...

H - Electricity – 01 – L
Patent

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Lighting arrangement

F - Mech Eng,Light,Heat,Weapons – 21 – S
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Lighting arrangement and solid-state light source

F - Mech Eng,Light,Heat,Weapons – 21 – K
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Method for preparing an electric circuit comprising multiple...

H - Electricity – 01 – L
Patent

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Reactive circuit and rectifier circuit

H - Electricity – 05 – B
Patent

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Profile ID: LFCA-PAI-P-1401913

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