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Title:
電気音響変換器用振動板の製造方法
Document Type and Number:
Japanese Patent JP6584784
Kind Code:
B2
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Inventors:
Takashi Mikuniya
Kumi Kajiwara
Kawamura Norio
Application Number:
JP2015022940A
Publication Date:
October 02, 2019
Filing Date:
February 09, 2015
Export Citation:
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Assignee:
Foster Electric Co., Ltd.
International Classes:
H04R7/02; H04R31/00
Domestic Patent References:
JP9084175A
JP4023597A
Attorney, Agent or Firm:
Michio Takayama



 
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