Transmission Characteristics of Operator Telephone Systems (OTS) - Telephone Transmission Quality - Subscribers' Lines and Sets (Study Group XII) 4 pp
| Accuris | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | P.38 |
| Product Name | Transmission Characteristics of Operator Telephone Systems (OTS) - Telephone Transmission Quality - Subscribers' Lines and Sets (Study Group XII) 4 pp |