Speaker system with folded audio transmission passage

1991 ◽  
Vol 90 (6) ◽  
pp. 3395-3395
Author(s):  
Stanley N. Harrison
Keyword(s):  
2019 ◽  
Vol 13 (4) ◽  
pp. 697-709 ◽  
Author(s):  
Lianxi Liu ◽  
Lei He ◽  
Yi Zhang ◽  
Tianyuan Hua

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