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J-GLOBAL ID:201602004075273382   Reference number:60A0105576

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

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) 
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