Summary

本邦に於ける市外電話の普及発達並に之が経済的施設に関する一考察

石井浅八 

Vol.16 No.11 pp.1313-1320

Publication Date:1932/11/01

Online ISSN:2188-2355

Print ISSN:0913-5693

Type of Manuscript:Speech

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Online ISSN:2188-2355