| 发明名称 |
DIAPHRAGM FOR SPEAKERS |
| 摘要 |
PURPOSE:To make the use of binder unnecessary, reduce the weight and provide a necessary stiffness by using an organic high molecular substance having a low melting point and one having a high melting point together. |
| 申请公布号 |
JPS53135320(A) |
申请公布日期 |
1978.11.25 |
| 申请号 |
JP19770049457 |
申请日期 |
1977.04.28 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
NOGUCHI HIROTOSHI;YASHIRO MITSURU |
| 分类号 |
H04R7/02;(IPC1-7):04R7/02 |
主分类号 |
H04R7/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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