Summary

日満日支直通電話回線の伝送特性に就て

篠原登 松本秋男 

Vol.23 No.6 pp.296-302

Publication Date:1939/06/01

Online ISSN:2188-2355

Print ISSN:0913-5693

Type of Manuscript:論文欄

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Online ISSN:2188-2355