4. A - Human Necessities
  5. 61
  6. F

Dobrila Vlacic

A - Human Necessities – 61 – F

Inventor

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Inventor

Country: Canada

Adjustable sound valve

A - Human Necessities – 61 – F
Patent

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Vlacic's on/off and adjustable sound valve

G - Physics – 10 – K
Patent

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Adjustable sound valve

A - Human Necessities – 61 – F
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Vlacic's on/off and adjustable sound valve

G - Physics – 10 – K
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFCA-PAI-P-2081501

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