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Image
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3
Non-Commercial Use
3
Category
Telecommunications
3
Maker
Telefonaktiebolaget L. M. Ericsson
3
Object type
automatic telephone exchange, part
3
Place
Sweden
3
Date
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House exchange No. 1 wallboard made by Telefonaktiebolaget L. M. Ericsson
1932
Intercom No. 1/1A made by Telefonaktiebolaget L. M. Ericsson
1932
Unit trans intercom No. 2 Mk2 made by Telefonaktiebolaget L. M. Ericsson
1932
