> Mehrbändiges Werk
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3:
The development and decay of the magnetic flux in a non-delayed telephone relay by Stig Ekelöf
Göteborg: Gumpert, 1957
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3:
A study of telephone relays 3 The development and decay of the magnetic flux in a non-delayed telephone relay : (a study of telephone relays-3)
Stockholm: Royal Swed. Acad. of Engin. Sciences, 1957
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2:
Theory of electromagnetically delayed telephone relays by Stig Ekelöf
Göteborg: Gumpert, 1954
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2:
Theory of electromagnetically delayed telephone relays by Stig Ekelöf
Göteborg: Elander, 1954
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1:
The magnetic circuit of telephone relays by Stig Ekelöf
Göteborg: Gumpert, 1953
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1:
The magnetic circuit of telephone relays by Stig Ekelöf
Göteborg: Gumpert, 1953