DD134245A1 - DEVICE FOR HOLLOWING PUNCHING - Google Patents
DEVICE FOR HOLLOWING PUNCHINGInfo
- Publication number
- DD134245A1 DD134245A1 DD77201109A DD20110977A DD134245A1 DD 134245 A1 DD134245 A1 DD 134245A1 DD 77201109 A DD77201109 A DD 77201109A DD 20110977 A DD20110977 A DD 20110977A DD 134245 A1 DD134245 A1 DD 134245A1
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- hollowing
- punching
- hollowing punching
- Prior art date
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD20110977A DD134245B1 (en) | 1977-09-20 | 1977-09-20 | DEVICE FOR HOLLOWING PUNCHING |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD20110977A DD134245B1 (en) | 1977-09-20 | 1977-09-20 | DEVICE FOR HOLLOWING PUNCHING |
Publications (2)
Publication Number | Publication Date |
---|---|
DD134245A1 true DD134245A1 (en) | 1979-02-14 |
DD134245B1 DD134245B1 (en) | 1982-05-26 |
Family
ID=5509802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD20110977A DD134245B1 (en) | 1977-09-20 | 1977-09-20 | DEVICE FOR HOLLOWING PUNCHING |
Country Status (1)
Country | Link |
---|---|
DD (1) | DD134245B1 (en) |
-
1977
- 1977-09-20 DD DD20110977A patent/DD134245B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DD134245B1 (en) | 1982-05-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENJ | Ceased due to non-payment of renewal fee |