Art
J-GLOBAL ID：201602007497288489 Reference number：58A0060161
Dial Switching of Toll Circuits.
市外回線の自動交換
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Author (1)：
PETRIE J N
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Material：
Telephony
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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)
JST classification (2)：
JST classification
Category name(code) classified by JST.
(EE010102)
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Search "EE01"
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(EE070106)
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回線
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自動交換
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