群集電話装置 (通信工学通俗叢書 ; 電話機械編)
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国立国会図書館デジタルコレクション
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Table of Contents
標題
目次
第1章 概説/1
1・1. 緒言/1
1・2. 加入者線路の利用度と群集電話裝置による線路の節減率/2
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- Material Type
- 図書
- Title
- Title Transcription
- グンシュウ デンワ ソウチ
- Series Title
- Author Heading
- 電気通信学会 デンキ ツウシン ガッカイ ( 00259399 )Authorities
- Publication, Distribution, etc.
- Publication Date
- 昭和16
- Publication Date (W3CDTF)
- 1941
- Extent
- 111p
- Size
- 22cm