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经营范围
发明名称
Speaker diaphragm and speaker
摘要
A speaker diaphragm according to an embodiment of the present invention includes a substrate and a surface material. The surface material is arranged on one side of the substrate, and includes a woven fabric of a polyethylene naphthalate fiber.
申请公布号
US2007235251(A1)
申请公布日期
2007.10.11
申请号
US20070716119
申请日期
2007.03.09
申请人
ONKYO CORPORATION
发明人
ONO YUSHI
分类号
H04R7/00
主分类号
H04R7/00
代理机构
代理人
主权项
地址
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