4. H - Electricity
  5. 04
  6. R

Friedrich Bertignoll

H - Electricity – 04 – R

Inventor

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Inventor

Country: Canada

Electrostatic discharge protector for an electret microphone

H - Electricity – 04 – R
Patent

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Light diffusing apparatus

F - Mech Eng,Light,Heat,Weapons – 21 – V
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Telephone handset cord guide and retainer

H - Electricity – 04 – M
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Profile ID: LFCA-PAI-P-1213123

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