Summary

独逸に於ける新型市外電話ケーブルの構造名称並に電気的常数

The Institute of Teregraph and Telephone Engineers of Japan 

Vol.16 No.6 pp.170-172

Publication Date:1932/06/01

Online ISSN:2188-2355

Print ISSN:0913-5693

Type of Manuscript:学界近情

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Online ISSN:2188-2355