Art
J-GLOBAL ID:201602002001083147   Reference number:58A0060001

Automatic telephone testing methods makes London phone company’s job easier.

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Material:
Volume:Issue:Page: 48,50,52  Publication year: 1958 
JST Material Number: B0317A  ISSN: 0010-8049  CODEN: CENGA  Document type: Article
Country of issue: United States (USA) 
JST classification (2):
JST classification
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Terms in the title (2):
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