JPS5287822A - Expansion refuge staircase - Google Patents
Expansion refuge staircaseInfo
- Publication number
- JPS5287822A JPS5287822A JP13144875A JP13144875A JPS5287822A JP S5287822 A JPS5287822 A JP S5287822A JP 13144875 A JP13144875 A JP 13144875A JP 13144875 A JP13144875 A JP 13144875A JP S5287822 A JPS5287822 A JP S5287822A
- Authority
- JP
- Japan
- Prior art keywords
- refuge
- staircase
- expansion
- refuge staircase
- expansion refuge
- 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.)
- Granted
Links
Landscapes
- Ladders (AREA)
- Steps, Ramps, And Handrails (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13144875A JPS5287822A (en) | 1975-11-04 | 1975-11-04 | Expansion refuge staircase |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13144875A JPS5287822A (en) | 1975-11-04 | 1975-11-04 | Expansion refuge staircase |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5287822A true JPS5287822A (en) | 1977-07-22 |
JPS5753500B2 JPS5753500B2 (en) | 1982-11-13 |
Family
ID=15058185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13144875A Granted JPS5287822A (en) | 1975-11-04 | 1975-11-04 | Expansion refuge staircase |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5287822A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007170098A (en) * | 2005-12-26 | 2007-07-05 | Techno Ace:Kk | Ladder |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49118231U (en) * | 1973-01-30 | 1974-10-09 |
-
1975
- 1975-11-04 JP JP13144875A patent/JPS5287822A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49118231U (en) * | 1973-01-30 | 1974-10-09 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007170098A (en) * | 2005-12-26 | 2007-07-05 | Techno Ace:Kk | Ladder |
Also Published As
Publication number | Publication date |
---|---|
JPS5753500B2 (en) | 1982-11-13 |
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