发明名称 MANUFACTURE OF DIAPHRAGM FOR SPEAKERS
摘要 PURPOSE:To simplify the process and prevent waste of material consumption at the same time and also to make excellent acoustic characteristics by laminating deckled web of fiber pieces which are highly elastic, and plastic film at a fixed total area density, and by forming the product with that and compression.
申请公布号 JPS52129425(A) 申请公布日期 1977.10.29
申请号 JP19760044958 申请日期 1976.04.22
申请人 TOKYO SHIBAURA ELECTRIC CO 发明人 NAKAMURA NANAO;NITSUTA TSUNEO;YAMAZAKI TAKUO;HATORI JIYUN
分类号 H04R7/02;H04R7/10 主分类号 H04R7/02
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