JPS57165590A - Boring apparatus - Google Patents
Boring apparatusInfo
- Publication number
- JPS57165590A JPS57165590A JP4907981A JP4907981A JPS57165590A JP S57165590 A JPS57165590 A JP S57165590A JP 4907981 A JP4907981 A JP 4907981A JP 4907981 A JP4907981 A JP 4907981A JP S57165590 A JPS57165590 A JP S57165590A
- Authority
- JP
- Japan
- Prior art keywords
- boring apparatus
- boring
- Prior art date
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4907981A JPS57165590A (en) | 1981-03-31 | 1981-03-31 | Boring apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4907981A JPS57165590A (en) | 1981-03-31 | 1981-03-31 | Boring apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57165590A true JPS57165590A (en) | 1982-10-12 |
JPS6144189B2 JPS6144189B2 (en) | 1986-10-01 |
Family
ID=12821078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4907981A Granted JPS57165590A (en) | 1981-03-31 | 1981-03-31 | Boring apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57165590A (en) |
-
1981
- 1981-03-31 JP JP4907981A patent/JPS57165590A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6144189B2 (en) | 1986-10-01 |
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