JPS63912Y2 - - Google Patents
Info
- Publication number
- JPS63912Y2 JPS63912Y2 JP1979143533U JP14353379U JPS63912Y2 JP S63912 Y2 JPS63912 Y2 JP S63912Y2 JP 1979143533 U JP1979143533 U JP 1979143533U JP 14353379 U JP14353379 U JP 14353379U JP S63912 Y2 JPS63912 Y2 JP S63912Y2
- Authority
- JP
- Japan
- Prior art keywords
- tread
- nose
- edge
- staircase
- recessed portion
- 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
- 239000000463 material Substances 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 4
- 101100491335 Caenorhabditis elegans mat-2 gene Proteins 0.000 claims description 3
- 239000011211 glass fiber reinforced concrete Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979143533U JPS63912Y2 (US07534539-20090519-C00280.png) | 1979-10-17 | 1979-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979143533U JPS63912Y2 (US07534539-20090519-C00280.png) | 1979-10-17 | 1979-10-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5661636U JPS5661636U (US07534539-20090519-C00280.png) | 1981-05-25 |
| JPS63912Y2 true JPS63912Y2 (US07534539-20090519-C00280.png) | 1988-01-11 |
Family
ID=29374759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979143533U Expired JPS63912Y2 (US07534539-20090519-C00280.png) | 1979-10-17 | 1979-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63912Y2 (US07534539-20090519-C00280.png) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51136617U (US07534539-20090519-C00280.png) * | 1975-04-07 | 1976-11-04 |
-
1979
- 1979-10-17 JP JP1979143533U patent/JPS63912Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5661636U (US07534539-20090519-C00280.png) | 1981-05-25 |
