FR743609A - - Google Patents
Info
- Publication number
- FR743609A FR743609A FR743609DA FR743609A FR 743609 A FR743609 A FR 743609A FR 743609D A FR743609D A FR 743609DA FR 743609 A FR743609 A FR 743609A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/02—Making hollow objects characterised by the structure of the objects
- B21D51/10—Making hollow objects characterised by the structure of the objects conically or cylindrically shaped objects
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR743609A true FR743609A (xx) | 1933-04-03 |
Family
ID=1547846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR743609D Expired FR743609A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR743609A (xx) |
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0
- FR FR743609D patent/FR743609A/fr not_active Expired