Patent Application
| Keywords | India Patent Calcutta Karachi Controller Inventor Das |
| Ministry/ Department/ Residency | PATENTS AND DISGNS KOLKATA |
| Branch | Kolkata |
| From Year / Date (YYYY-MM-DD) |
1961 |
| To Year / Date (YYYY-MM-DD) |
1961 |
| Identifier | NAIBHF00003888 |
| File No./Reference No./Sheet No./Folio No. | 76501 |
| Location | BBSR-R1 |
| File Size | 12.7 MB |
| Pages | 7 |
| Collection | Public Records |
| Language | English |
| Bundle Barcode | NAIBHB00000223 |
| File Barcode | NAIBHF00003888 |
| QC Certificate No. | QC_20240625BH |
| Bundle No. | 31 |
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