Telephony : a manual of the design, construction, and operation of telephone exchanges. Pt. 5. The substation
Arthur Vaughan Abbott
Bok Engelsk 1904
Utgitt | New York : McGraw-Hill , 1904
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Omfang | 473 s. : ill.
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Emner |
Utgitt | New York : McGraw-Hill , 1904
|
---|---|
Omfang | 473 s. : ill.
|
Emner |