JPS557910B2 - - Google Patents
Info
- Publication number
- JPS557910B2 JPS557910B2 JP8313676A JP8313676A JPS557910B2 JP S557910 B2 JPS557910 B2 JP S557910B2 JP 8313676 A JP8313676 A JP 8313676A JP 8313676 A JP8313676 A JP 8313676A JP S557910 B2 JPS557910 B2 JP S557910B2
- Authority
- JP
- Japan
- 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
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8313676A JPS539204A (en) | 1976-07-13 | 1976-07-13 | Rock drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8313676A JPS539204A (en) | 1976-07-13 | 1976-07-13 | Rock drill rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS539204A JPS539204A (en) | 1978-01-27 |
| JPS557910B2 true JPS557910B2 (cs) | 1980-02-29 |
Family
ID=13793777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8313676A Granted JPS539204A (en) | 1976-07-13 | 1976-07-13 | Rock drill rod |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS539204A (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8242312B2 (en) | 2010-11-12 | 2012-08-14 | E. I. Du Pont De Nemours And Company | Urethane and urea fluorosurfactants |
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1976
- 1976-07-13 JP JP8313676A patent/JPS539204A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS539204A (en) | 1978-01-27 |