Collection search - Telephone systems [textual record]
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Record information – Brief 
Telephone systems [textual record]
Hierarchical level:SeriesDate:1924-1943.Reference:MG28-III61Type of material:Textual materialFound in:Archives / Collections and FondsItem ID number:127874Context of this record: -
Record information – Details Date(s):1924-1943.Place of creation:No place, unknown, or undeterminedExtent:0.06 m of textual records.Language of material:EnglishScope and content:Source:PrivateFormer archival reference no.: -
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