发明名称 |
Pipe microphone device |
摘要 |
In the pipe microphone device having such a construction, the pipe is made of an elastic material, and a flexible core member (wire) having a shape retaining property is passed in the inside.
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申请公布号 |
US2002044670(A1) |
申请公布日期 |
2002.04.18 |
申请号 |
US20010943020 |
申请日期 |
2001.08.30 |
申请人 |
OHTA TAKASHI;MUROZAKI KATSUNORI;NAGENO KOJI |
发明人 |
OHTA TAKASHI;MUROZAKI KATSUNORI;NAGENO KOJI |
分类号 |
H04R1/10;H04R1/08;(IPC1-7):H04R25/00 |
主分类号 |
H04R1/10 |
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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