| 错误具体提示信息： | |
| 这篇文档需要 注册会员 才能访问，你目前是：游客或没权限会员 ！ | |
| 文档标题： | Intellectual Property and Patents |
| 发布时间： | 2012-09-05 21:00:40 |
| 文档简介： | The TETRA Association was founded to promote and support TETRA technology throughout the world and to encourage an open and competitive market for the supply of TETRA products and services. The technology was developed through the standard |
