Art
J-GLOBAL ID:201602007497288489   Reference number:58A0060161

Dial Switching of Toll Circuits.

市外回線の自動交換
Author (1):
Material:
Volume: 155  Issue: 12  Page: 21-23,38-42  Publication year: 1958 
JST Material Number: E0224A  CODEN: TLPNA   Document type: Article
Country of issue: United States (USA) 
Terms in the title (2):
Terms in the title
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