4. Chemistry: electrical and wave energy
  5. Processes and products
  6. Processes of treating materials by wave energy

David John Harper

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Method and apparatus of producing an organo-nitrogen compound

Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
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Retractable snowboard support apparatus for use in lift...

Land vehicles – Ski or skate appliance or attachment
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1938106

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