4. Music
  5. Instruments
  6. Electrical musical tone generation

Masao Kondo

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Airlift pump apparatus and method

Pumps – Processes – Of pumping one fluid by contact or entrainment with another
Patent

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Apparatus and method for automatically determining...

Music – Accessories – Teaching devices
Reexamination Certificate

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Apparatus and method for biological treatment of wastewater

Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate

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Automatic accompaniment apparatus

Music – Instruments – Electrical musical tone generation
Patent

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Automatic accompaniment apparatus and a storage device...

Music – Instruments – Electrical musical tone generation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-35717

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