Summary

国際電話における通話の時間的性質

鶴岡泰 篠原恭一 伊東政幸 

Vol.40 No.5 pp.526-533

Publication Date:1957/05/01

Online ISSN:2188-2355

Print ISSN:0913-5693

Type of Manuscript:論文

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Online ISSN:2188-2355