300 bits per second duplex modem standardized for use in the general switched telephone network
収録刊行物
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- ITU-T Rec. V. 21
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ITU-T Rec. V. 21 1988
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- CRID
- 1573950400128656256
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- NII論文ID
- 10018504771
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- データソース種別
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- CiNii Articles