JPS4988141A - - Google Patents
Info
- Publication number
- JPS4988141A JPS4988141A JP93973A JP93973A JPS4988141A JP S4988141 A JPS4988141 A JP S4988141A JP 93973 A JP93973 A JP 93973A JP 93973 A JP93973 A JP 93973A JP S4988141 A JPS4988141 A JP S4988141A
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP93973A JPS4988141A (zh) | 1972-12-27 | 1972-12-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP93973A JPS4988141A (zh) | 1972-12-27 | 1972-12-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4988141A true JPS4988141A (zh) | 1974-08-23 |
Family
ID=11487632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP93973A Pending JPS4988141A (zh) | 1972-12-27 | 1972-12-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS4988141A (zh) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH051494A (ja) * | 1991-06-25 | 1993-01-08 | Osaka Gas Co Ltd | ボーリング機械の接触検出方法および装置 |
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1972
- 1972-12-27 JP JP93973A patent/JPS4988141A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH051494A (ja) * | 1991-06-25 | 1993-01-08 | Osaka Gas Co Ltd | ボーリング機械の接触検出方法および装置 |