4. Acoustics
  5. Sound-modifying means
  6. Muffler, fluid conducting type

K. Dang

Examiner

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Loudspeaker arrangement

Acoustics – Plural diaphragm sound sources – Plural chambers
Patent

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Muffler assembly of internal combustion engine

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent

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Protective anc loudspeaker membrane

Acoustics – Sound-modifying means – By wave interference
Patent

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Right-to-left scanning system for copying documents or bound boo

Photocopying – Projection printing and copying cameras – Copying both sides of original
Patent

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Profile ID: LFUS-PAI-P-22179

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