Digital data transmission tests on voice channels /
Saved in:
| Corporate Authors: | , , |
|---|---|
| 格式: | Government Document 圖書 |
| 語言: | English |
| 出版: |
Washington :
NBS : for sale by the Supt. of Docs., U.S. Govt. Print. Off.,
1977.
|
| 叢編: | NBS special publication ;
480-19. |
| 主題: |
CARM 1 Store
| 索引號: |
A3:AD21E0 F05720 |
|---|---|
| 復印件 1 | 可用 預訂 |