SU887075A1 - Устройство дл сверлени отверстий - Google Patents
Устройство дл сверлени отверстий Download PDFInfo
- Publication number
- SU887075A1 SU887075A1 SU802865310A SU2865310A SU887075A1 SU 887075 A1 SU887075 A1 SU 887075A1 SU 802865310 A SU802865310 A SU 802865310A SU 2865310 A SU2865310 A SU 2865310A SU 887075 A1 SU887075 A1 SU 887075A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- drilling holes
- drilling
- holes
- resource
- work
- Prior art date
Links
Landscapes
- Drilling And Boring (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
та, в результате чего ресурс их работы увеличитс .
Claims (1)
1. Патент США № 2558814, кл. 77-62, 1967.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU802865310A SU887075A1 (ru) | 1980-01-07 | 1980-01-07 | Устройство дл сверлени отверстий |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU802865310A SU887075A1 (ru) | 1980-01-07 | 1980-01-07 | Устройство дл сверлени отверстий |
Publications (1)
Publication Number | Publication Date |
---|---|
SU887075A1 true SU887075A1 (ru) | 1981-12-07 |
Family
ID=20870366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU802865310A SU887075A1 (ru) | 1980-01-07 | 1980-01-07 | Устройство дл сверлени отверстий |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU887075A1 (ru) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4964475A (en) * | 1988-01-28 | 1990-10-23 | Fischerwerke Artur Fischer Gmbh & Co Kg | Drilling device for producing drill holes with undercut |
-
1980
- 1980-01-07 SU SU802865310A patent/SU887075A1/ru active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4964475A (en) * | 1988-01-28 | 1990-10-23 | Fischerwerke Artur Fischer Gmbh & Co Kg | Drilling device for producing drill holes with undercut |
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