| 发明名称 |
DIAPHRAGMS FOR TRANSDUCERS |
| 摘要 |
<p>A diaphragm having a pattern of wrinkles adapted so that the diaphragm is both radially and tangentially expandable with respect to a reference point in that central portion.</p> |
| 申请公布号 |
GB2086586(A) |
申请公布日期 |
1982.05.12 |
| 申请号 |
GB19810032299 |
申请日期 |
1981.10.27 |
| 申请人 |
SETRA SYSTEMS INC |
发明人 |
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| 分类号 |
F16J3/04;G01L7/08;(IPC1-7):01L7/08 |
主分类号 |
F16J3/04 |
| 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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