役員会 通常総会並に講演会 大正十五年昭和元年度収支決算報告
The Institute of Teregraph and Telephone Engineers of Japan
Vol.11 No.3 pp.185-188
Publication Date:1927/03/01
Online ISSN:2188-2355
Print ISSN:0913-5693
Type of Manuscript:minutes
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