Improvements in or relating to rotary drills or drill bits therefor
| Keywords | Sandvikens Jernverks Aktiebolag DePENNING DePENNING Agent Patents |
| Ministry/ Department/ Residency | PATENTS AND DISGNS KOLKATA |
| Branch | Kolkata |
| From Year / Date (YYYY-MM-DD) |
1963 |
| To Year / Date (YYYY-MM-DD) |
1963 |
| Identifier | NAIBHF00009144 |
| File No./Reference No./Sheet No./Folio No. | 87421 |
| Location | BBSR-R1 |
| File Size | 15.6 MB |
| Pages | 9 |
| Language | English |
| Bundle Barcode | NAIBHB00000332 |
| File Barcode | NAIBHF00009144 |
| QC Certificate No. | QC_20240706BH |
| Bundle No. | 140 |
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