Expansion of Tharia Auto Exchange from 600 to 900 lines
| Keywords | Telegraph Cable Submarine Wireless Engines Switch-boards Automatic |
| Ministry/ Department/ Residency | Ministry of Communication |
| Branch | Directorate General of Posts and Telegraphs |
| From Year / Date (YYYY-MM-DD) |
1958 |
| To Year / Date (YYYY-MM-DD) |
1958 |
| Source Organization | NA |
| Identifier | NAIDLF00049968 |
| File No./Reference No./Sheet No./Folio No. | 2-184/58/P |
| Location | R-2 |
| Part No. | NA |
| File Size | 226.8 MB |
| Pages | 131 |
| Call Number | NA |
| Publisher | NA |
| Subject | NA |
| Creator | NA |
| Accession Number | NA |
| Series | NA |
| Year of Publication | NA |
| Language | English |
| Bundle Barcode | NAIDLB00004411 |
| Location Code | NA |
| File Barcode | NAIDLF00049968 |
| QC Certificate No. | QC_20241209DL |
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