The requirements of hearing aids compatibility and measurement methods for telephone handset
| 标准号 | 标准名称 | 状态 | 发布日期 | 实施日期 |
|---|---|---|---|---|
| JB/T 7271.5-1994 | 长手柄套 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7271.4-1994 | 椭圆手柄套 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7271.3-1994 | 手柄套 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7271.2-1994 | 指示手柄球 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7271.1-1994 | 手柄球 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7270.12-1994 | 可调位紧定手柄 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7270.11-1994 | 可折手柄 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7270.10-1994 | 双柄对重手柄 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7270.9-1994 | 单柄对重手柄 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7270.8-1994 | 球头手柄 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7270.7-1994 | 锥柱手柄 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7270.6-1994 | 曲面转动手柄 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7270.5-1994 | 转动手柄 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7270.4-1994 | 转动小手柄 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7270.3-1994 | 直手柄 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7273.10-1994 | 带可折手柄双幅条手轮 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7272.4-1994 | 定位手柄座 | 废止 | 1994-06-18 | 1995-01-01 |
| JB/T 7272.3-1994 | 圆盘手柄座 | 废止 | 1994-06-18 | 1995-01-01 |