Summary

電信電話用機器工作精度並に許容磨耗量に就て

大谷薫 大友和蔵 

Vol.32 No.6 pp.178-184

Publication Date:1949/06/01

Online ISSN:2188-2355

Print ISSN:0913-5693

Type of Manuscript:論文

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Online ISSN:2188-2355