JPH01154720U - - Google Patents
Info
- Publication number
- JPH01154720U JPH01154720U JP4498988U JP4498988U JPH01154720U JP H01154720 U JPH01154720 U JP H01154720U JP 4498988 U JP4498988 U JP 4498988U JP 4498988 U JP4498988 U JP 4498988U JP H01154720 U JPH01154720 U JP H01154720U
- Authority
- JP
- Japan
- Prior art keywords
- groove
- travel
- direction perpendicular
- staircase
- carved
- 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.)
- Pending
Links
- 230000002265 prevention Effects 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4498988U JPH01154720U (sv) | 1988-04-01 | 1988-04-01 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4498988U JPH01154720U (sv) | 1988-04-01 | 1988-04-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01154720U true JPH01154720U (sv) | 1989-10-24 |
Family
ID=31271320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4498988U Pending JPH01154720U (sv) | 1988-04-01 | 1988-04-01 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01154720U (sv) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024053068A1 (ja) * | 2022-09-08 | 2024-03-14 | 株式会社ヘンミ企画 | 簡易階段 |
-
1988
- 1988-04-01 JP JP4498988U patent/JPH01154720U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024053068A1 (ja) * | 2022-09-08 | 2024-03-14 | 株式会社ヘンミ企画 | 簡易階段 |