Electric loudspeaker having open box for lowing resonance frequency in cone frame
Electric loudspeaker having open box for lowing resonance frequency in cone frame
- CN 1,753,575 A
- Filed: 09/26/2004
- Published: 03/29/2006
- Est. Priority Date: 09/26/2004
- Status: Expired due to Fees
- EN CH
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- Pin
