JPS4978309A - - Google Patents
Info
- Publication number
- JPS4978309A JPS4978309A JP12106372A JP12106372A JPS4978309A JP S4978309 A JPS4978309 A JP S4978309A JP 12106372 A JP12106372 A JP 12106372A JP 12106372 A JP12106372 A JP 12106372A JP S4978309 A JPS4978309 A JP S4978309A
- 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.)
- Pending
Links
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12106372A JPS4978309A (en) | 1972-12-02 | 1972-12-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12106372A JPS4978309A (en) | 1972-12-02 | 1972-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4978309A true JPS4978309A (en) | 1974-07-29 |
Family
ID=14801908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12106372A Pending JPS4978309A (en) | 1972-12-02 | 1972-12-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS4978309A (en) |
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1972
- 1972-12-02 JP JP12106372A patent/JPS4978309A/ja active Pending