時分割制御形全電子交換機の考察とAIO式の提案
尾佐竹徇 秋山稔
Vol.40 No.5 pp.546-556
Publication Date:1957/05/01
Online ISSN:2188-2355
Print ISSN:0913-5693
Type of Manuscript:論文
Category:
Keyword:---
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