JPH0533925Y2 - - Google Patents
Info
- Publication number
- JPH0533925Y2 JPH0533925Y2 JP4845688U JP4845688U JPH0533925Y2 JP H0533925 Y2 JPH0533925 Y2 JP H0533925Y2 JP 4845688 U JP4845688 U JP 4845688U JP 4845688 U JP4845688 U JP 4845688U JP H0533925 Y2 JPH0533925 Y2 JP H0533925Y2
- Authority
- JP
- Japan
- Prior art keywords
- level
- tunnel
- spirit level
- shaped
- reference surface
- 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 - Lifetime
Links
- 230000005484 gravity Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4845688U JPH0533925Y2 (2) | 1988-04-11 | 1988-04-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4845688U JPH0533925Y2 (2) | 1988-04-11 | 1988-04-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01151206U JPH01151206U (2) | 1989-10-19 |
| JPH0533925Y2 true JPH0533925Y2 (2) | 1993-08-27 |
Family
ID=31274604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4845688U Expired - Lifetime JPH0533925Y2 (2) | 1988-04-11 | 1988-04-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0533925Y2 (2) |
-
1988
- 1988-04-11 JP JP4845688U patent/JPH0533925Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01151206U (2) | 1989-10-19 |
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