Problemet brevbaererne og trappeopgangene. Beretning, forelagt Internationale P.T.T.s X. Kongres, fra 24. til 26 August 1939, i Brüssel
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| Institution: | International Institute of Social History |
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| Format: | TEXT |
| Published: |
Internationale Organisation for Post-, Telegraf- og Telefonpersonale,
u.a.
Bern : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/08178981-BD53-4271-B25D-EA9707680272 |
| Summary: | Stencil. |
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| Published: | u.a. |