Patent Application: Improvements in or relating to circuit arrangements in automatic telephone systems
| Keywords | Dr. M Rao Indian Telephone Industries Private Ltd. Automatic Telephone & Electric Co. Ltd. Secretary Director Telephone India |
| Ministry/ Department/ Residency | PATENTS AND DISGNS KOLKATA |
| Branch | Kolkata |
| From Year / Date (YYYY-MM-DD) |
1961 |
| To Year / Date (YYYY-MM-DD) |
1961 |
| Source Organization | NA |
| Identifier | NAIBHF00004622 |
| File No./Reference No./Sheet No./Folio No. | 77283 |
| Location | BBSR-R1 |
| Part No. | NA |
| File Size | 86.3 MB |
| Pages | 48 |
| Collection | Public Records |
| Call Number | NA |
| Publisher | NA |
| Subject | NA |
| Creator | NA |
| Accession Number | NA |
| Series | NA |
| Year of Publication | NA |
| Language | English |
| Bundle Barcode | NAIBHB00000238 |
| Location Code | NA |
| File Barcode | NAIBHF00004622 |
| QC Certificate No. | QC_20240626BH |
| Bundle No. | 46 |
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