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The semi-automatic telephone exchange in Amsterdam
Detailed description of this installation. (8500 w.) (No. 40575 D)
The semi-automatic telephone exchange in Amsterdam
Detailed description of this installation. (8500 w.) (No. 40575 D)
The semi-automatic telephone exchange in Amsterdam
De half-automatische telefooninrichting van AmsterdamZuid
van den Hurk, W.A.J. (author)
1913
Ills.
Article (Journal)
Dutch
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