LU29136A1 - - Google Patents
Info
- Publication number
- LU29136A1 LU29136A1 LU29136DA LU29136A1 LU 29136 A1 LU29136 A1 LU 29136A1 LU 29136D A LU29136D A LU 29136DA LU 29136 A1 LU29136 A1 LU 29136A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
- B21H3/04—Making by means of profiled-rolls or die rolls
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU29136 | 1948-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU29136A1 true LU29136A1 (zh) | 1948-09-06 |
Family
ID=19722231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU29136D LU29136A1 (zh) | 1948-07-05 | 1948-07-05 |
Country Status (1)
| Country | Link |
|---|---|
| LU (1) | LU29136A1 (zh) |
-
1948
- 1948-07-05 LU LU29136D patent/LU29136A1/xx unknown