SU563490A2 - Two-piston perforator - Google Patents
Two-piston perforatorInfo
- Publication number
- SU563490A2 SU563490A2 SU7502108880A SU2108880A SU563490A2 SU 563490 A2 SU563490 A2 SU 563490A2 SU 7502108880 A SU7502108880 A SU 7502108880A SU 2108880 A SU2108880 A SU 2108880A SU 563490 A2 SU563490 A2 SU 563490A2
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- perforator
- piston
- piston perforator
- Prior art date
Links
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU7502108880A SU563490A2 (en) | 1975-02-19 | 1975-02-19 | Two-piston perforator |
SE7506740A SE410209B (en) | 1974-06-13 | 1975-06-12 | IMPACT DRILL |
JP50070980A JPS51151201A (en) | 1974-06-13 | 1975-06-13 | Doubleepiston rock drill |
DE2526511A DE2526511C3 (en) | 1974-06-13 | 1975-06-13 | Two-piston rotary hammer with a device having a twisted flute connection for moving a drill |
FI751769A FI63469C (en) | 1974-06-13 | 1975-06-13 | BERGBORR MED DUBBELKOLV |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU7502108880A SU563490A2 (en) | 1975-02-19 | 1975-02-19 | Two-piston perforator |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU519534 Addition |
Publications (1)
Publication Number | Publication Date |
---|---|
SU563490A2 true SU563490A2 (en) | 1977-06-30 |
Family
ID=20611278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU7502108880A SU563490A2 (en) | 1974-06-13 | 1975-02-19 | Two-piston perforator |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU563490A2 (en) |
-
1975
- 1975-02-19 SU SU7502108880A patent/SU563490A2/en active
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SU563490A2 (en) | Two-piston perforator |