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GB 7431-1987 Transmission objectives and their testing methods for crossbar local automatic telephone exchange
Standard No.: GB 7431-1987 Status: ABOLISHED remind me the status change
Language: English File Format: PDF
Word Count: 4500 words Price(USD): 135 (USD) remind me the price change
Implemented on: 1987-11-01 Delivery: via email in 1-3 business day
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Standard No.: GB 7431-1987
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
English Name: Transmission objectives and their testing methods for crossbar local automatic telephone exchange
Professional Classification: M04 Basic standards and general methods
Professional Classification: GB National Standard
Issued by:
Issued on: 1987-03-17
Implemented on: 1987-11-01
Status: ABOLISHED
Language: English
File Format: PDF
Word Count: 4500 words
Price(USD): 135 (USD)
Delivery: via email in 1-3 business day
GB 7431-1987 The following standards are cited:
GB 7431-1987 Cited by the following standards:
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