Summary

大阪逓信局区内電信電話線路降雪被害概況

The Institute of Teregraph and Telephone Engineers of Japan 

Vol.7 No.3 pp.186-190

Publication Date:1923/03/01

Online ISSN:2188-2355

Print ISSN:0913-5693

Type of Manuscript:Miscellaneous notes

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Online ISSN:2188-2355