日本電気通信用品標準規格(一号音響器,繰線器,滑線器,一号海底線現波器,二号音響器)
The Institute of Electrical Communication Engineers of Japan
Vol.28 No.9 pp.35-40
Publication Date:1944/09/01
Online ISSN:2188-2355
Print ISSN:0913-5693
Type of Manuscript:報告
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