JPS4944902A - - Google Patents
Info
- Publication number
- JPS4944902A JPS4944902A JP8835072A JP8835072A JPS4944902A JP S4944902 A JPS4944902 A JP S4944902A JP 8835072 A JP8835072 A JP 8835072A JP 8835072 A JP8835072 A JP 8835072A JP S4944902 A JPS4944902 A JP S4944902A
- 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
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8835072A JPS4944902A (no) | 1972-09-05 | 1972-09-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8835072A JPS4944902A (no) | 1972-09-05 | 1972-09-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4944902A true JPS4944902A (no) | 1974-04-27 |
Family
ID=13940364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8835072A Pending JPS4944902A (no) | 1972-09-05 | 1972-09-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS4944902A (no) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50158404U (no) * | 1974-06-17 | 1975-12-27 | ||
JPS55118095U (no) * | 1979-02-07 | 1980-08-20 | ||
JPS5631984A (en) * | 1979-08-22 | 1981-03-31 | Shingo Yoshimura | Perforator |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4827041A (no) * | 1971-08-14 | 1973-04-10 |
-
1972
- 1972-09-05 JP JP8835072A patent/JPS4944902A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4827041A (no) * | 1971-08-14 | 1973-04-10 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50158404U (no) * | 1974-06-17 | 1975-12-27 | ||
JPS55118095U (no) * | 1979-02-07 | 1980-08-20 | ||
JPS5631984A (en) * | 1979-08-22 | 1981-03-31 | Shingo Yoshimura | Perforator |