Summary

塗布法に依るトリウムタングステン陰極と之を用ひた真空管（其の二）

原島治 

Vol.28 No.11 pp.271-272

Publication Date:1944/11/01

Online ISSN:2188-2355

Print ISSN:0913-5693

Type of Manuscript:Others

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Online ISSN:2188-2355