SU580302A1 - Disc bit - Google Patents
Disc bitInfo
- Publication number
- SU580302A1 SU580302A1 SU7502156889A SU2156889A SU580302A1 SU 580302 A1 SU580302 A1 SU 580302A1 SU 7502156889 A SU7502156889 A SU 7502156889A SU 2156889 A SU2156889 A SU 2156889A SU 580302 A1 SU580302 A1 SU 580302A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- disc bit
- bit
- disc
- phi1
- examination
- Prior art date
Links
Landscapes
- Inspection Of Paper Currency And Valuable Securities (AREA)
Description
Источники информации, прин тые во внимание при экспертизеSources of information taken into account in the examination
1. Патент США № 2003791, кл. 175-339, опублик. 1935.1. US Patent No. 2003791, cl. 175-339, published. 1935.
2. Авторское свидетельство № 250794, кл. Е 21В 9/14, 1967.2. Copyright certificate № 250794, cl. E 21B 9/14, 1967.
Фи1.Phi1.
Фиг. 2FIG. 2
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU7502156889A SU580302A1 (en) | 1975-07-11 | 1975-07-11 | Disc bit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU7502156889A SU580302A1 (en) | 1975-07-11 | 1975-07-11 | Disc bit |
Publications (1)
Publication Number | Publication Date |
---|---|
SU580302A1 true SU580302A1 (en) | 1977-11-15 |
Family
ID=20626829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU7502156889A SU580302A1 (en) | 1975-07-11 | 1975-07-11 | Disc bit |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU580302A1 (en) |
-
1975
- 1975-07-11 SU SU7502156889A patent/SU580302A1/en active
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