JPS50137303A - - Google Patents
Info
- Publication number
- JPS50137303A JPS50137303A JP4503374A JP4503374A JPS50137303A JP S50137303 A JPS50137303 A JP S50137303A JP 4503374 A JP4503374 A JP 4503374A JP 4503374 A JP4503374 A JP 4503374A JP S50137303 A JPS50137303 A JP S50137303A
- 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.)
- Granted
Links
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4503374A JPS547484B2 (https=) | 1974-04-23 | 1974-04-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4503374A JPS547484B2 (https=) | 1974-04-23 | 1974-04-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50137303A true JPS50137303A (https=) | 1975-10-31 |
| JPS547484B2 JPS547484B2 (https=) | 1979-04-07 |
Family
ID=12708016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4503374A Expired JPS547484B2 (https=) | 1974-04-23 | 1974-04-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS547484B2 (https=) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3374975A (en) * | 1964-07-09 | 1968-03-26 | Ingersoll Rand World Trade | Boom for drilling machines |
-
1974
- 1974-04-23 JP JP4503374A patent/JPS547484B2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3374975A (en) * | 1964-07-09 | 1968-03-26 | Ingersoll Rand World Trade | Boom for drilling machines |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS547484B2 (https=) | 1979-04-07 |