JPS6227556Y2 - - Google Patents
Info
- Publication number
- JPS6227556Y2 JPS6227556Y2 JP5486981U JP5486981U JPS6227556Y2 JP S6227556 Y2 JPS6227556 Y2 JP S6227556Y2 JP 5486981 U JP5486981 U JP 5486981U JP 5486981 U JP5486981 U JP 5486981U JP S6227556 Y2 JPS6227556 Y2 JP S6227556Y2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- chuck mechanism
- recesses
- recess
- present
- 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.)
- Expired
Links
- 238000010276 construction Methods 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5486981U JPS6227556Y2 (enEXAMPLES) | 1981-04-16 | 1981-04-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5486981U JPS6227556Y2 (enEXAMPLES) | 1981-04-16 | 1981-04-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57168560U JPS57168560U (enEXAMPLES) | 1982-10-23 |
| JPS6227556Y2 true JPS6227556Y2 (enEXAMPLES) | 1987-07-15 |
Family
ID=29851442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5486981U Expired JPS6227556Y2 (enEXAMPLES) | 1981-04-16 | 1981-04-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6227556Y2 (enEXAMPLES) |
-
1981
- 1981-04-16 JP JP5486981U patent/JPS6227556Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57168560U (enEXAMPLES) | 1982-10-23 |
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