| 发明名称 |
POLSTER FUER KAPSELGEHOERSCHUETZER |
| 摘要 |
<p>Pad for ear protector features a suction pad which is fastened to the first pad or the ear protector itself by means of a holder nearest a wearer's head. The suction pad can be exchanged at will. The holder may be piece of film spot-welded to the 1st pad. The 1st pad is of plastics foam. The suction pad is a polyester fleece made of polyacrylonitrile.</p> |
| 申请公布号 |
DE2721935(A1) |
申请公布日期 |
1978.11.16 |
| 申请号 |
DE19772721935 |
申请日期 |
1977.05.14 |
| 申请人 |
OPTAC WILFRID WELTIN |
发明人 |
HARTIG,GUENTER,ING.;NAGEL,HANS,ING. |
| 分类号 |
A61F11/14;(IPC1-7):A61F11/02 |
主分类号 |
A61F11/14 |
| 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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