JPS521684Y2 - - Google Patents
Info
- Publication number
- JPS521684Y2 JPS521684Y2 JP13255972U JP13255972U JPS521684Y2 JP S521684 Y2 JPS521684 Y2 JP S521684Y2 JP 13255972 U JP13255972 U JP 13255972U JP 13255972 U JP13255972 U JP 13255972U JP S521684 Y2 JPS521684 Y2 JP S521684Y2
- 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.)
- Expired
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13255972U JPS521684Y2 (en:Method) | 1972-11-17 | 1972-11-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13255972U JPS521684Y2 (en:Method) | 1972-11-17 | 1972-11-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4987601U JPS4987601U (en:Method) | 1974-07-30 |
| JPS521684Y2 true JPS521684Y2 (en:Method) | 1977-01-14 |
Family
ID=28395973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13255972U Expired JPS521684Y2 (en:Method) | 1972-11-17 | 1972-11-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS521684Y2 (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017066807A (ja) * | 2015-10-01 | 2017-04-06 | Ｊｆｅスチール株式会社 | 油圧シリンダ式拡大ヘッド |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH067416B2 (ja) * | 1985-09-12 | 1994-01-26 | シャープ株式会社 | 磁気記録再生装置 |
| JPS62233396A (ja) * | 1986-04-01 | 1987-10-13 | 株式会社春日産業 | ヒュ−ム管等の埋設工法用拡底掘削装置 |
| JP5022871B2 (ja) * | 2007-11-20 | 2012-09-12 | 前田製管株式会社 | 既製杭埋め込み用掘削ヘッド |
-
1972
- 1972-11-17 JP JP13255972U patent/JPS521684Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017066807A (ja) * | 2015-10-01 | 2017-04-06 | Ｊｆｅスチール株式会社 | 油圧シリンダ式拡大ヘッド |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4987601U (en:Method) | 1974-07-30 |