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1. | Technical parameters and measuring methods for FM stereophonic broadcasting transmitters with supplementary |
| GB/T4312.2-1984调频广播发射机技术参数和测量方法立体声带附加信道 |
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2. | FM broadcasting--Stereophonic with supplementary channel |
| GB4311.3-1984调频广播立体声带附加信道 |
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3. | supplementary channel broadcasting |
| 附加信道广播 |
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4. | Technical parameters and measuring methods for FM broadcasting coder--Supplementary channel |
| GB/T8617.2-1988调频广播编码器技术参数和测量方法附加声道 |
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5. | Technical parameters and measuring methods for FM stereophonic broadcasting transposer with supplementary |
| GB/T8382.2-1987调频广播差转机技术参数和测量方法立体声带附加信道 |
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