| 发明名称 |
ACOUSTIC COUPLER |
| 摘要 |
|
| 申请公布号 |
JPH0322742(A) |
申请公布日期 |
1991.01.31 |
| 申请号 |
JP19890157124 |
申请日期 |
1989.06.20 |
| 申请人 |
SEIKO EPSON CORP |
发明人 |
ENDOU TSUNENOBU |
| 分类号 |
H04M1/21 |
主分类号 |
H04M1/21 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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