Screen Library通信明线电话回路交叉规则
Saved in:
| Published: |
人民邮电出版社
|
|---|---|
| Publisher Address: | 北京 |
| Publication Dates: | 1977 |
| Literature type: | Book |
| Language: | Chinese |
| Subjects: |
长途电话—回路—交叉
> 规则
回路—长途电话—交叉
> 规则
交叉—回路—长途电话
> 规则
|
| Carrier Form: | 112页: ; 19cm |
| Index Number: | TN916 |
| CLC: | TN916.52 |
| Call Number: | TN916.52/5505 |