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| Position: Chinese Standard in English/GB 7431-1987 |
| GB 7431-1987 Transmission objectives and their testing methods for crossbar local automatic telephone exchange (English Version) | |||
| Standard No.: | GB 7431-1987 | Status: | valid remind me the status change |
| Language: | English | File Format: | |
| Word Count: | 4000 words | Price(USD): | 120.00 remind me the price change |
| Implemented on: | 1987-11-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB 7431-1987 |
| English Name: | Transmission objectives and their testing methods for crossbar local automatic telephone exchange |
| Chinese Name: | 纵横制市内自动电话交换局传输特性指标及其测试方法 |
| Chinese Classification: | M04 Basic standards and general methods |
| Professional Classification: | GB National Standard |
| Issued by: | NBS |
| Issued on: | 1987-03-17 |
| Implemented on: | 1987-11-1 |
| Status: | valid |
| Language: | English |
| File Format: | |
| Word Count: | 4000 words |
| Price(USD): | 120.00 |
| Delivery: | via email in 1~3 business day |