4. Music
  5. Instruments
  6. Wind

John H. Todd

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Ecological fluidized bed method for the treatment of polluted wa

Liquid purification or separation – Processes – Treatment by living organism
Patent

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Ecological fluidized bed system

Liquid purification or separation – With gas-liquid surface contact means – With separator
Patent

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Method for treating water

Liquid purification or separation – Processes – Treatment by living organism
Patent

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Saxophone valve key

Music – Instruments – Wind
Patent

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Solar aquatic apparatus for treating waste

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Transparent
Patent

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Profile ID: LFUS-PAI-P-241568

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