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Art
J-GLOBAL ID:201602004075273382   Reference number:60A0105576

New NBS standard frequency of 20 Kc reported furnishing accuracies to 1010.

20koの標準周波数の発射
Material:
Volume:Issue: 10  Page: 30-31  Publication year: 1960
JST Material Number: C0397A  ISSN: 0013-4872  CODEN: ELODA   Document type: Article
Article type: 解説  Country of issue: United States (USA) 
Terms in the title (1):
Terms in the title
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