JPH03108725U - - Google Patents
Info
- Publication number
- JPH03108725U JPH03108725U JP1839090U JP1839090U JPH03108725U JP H03108725 U JPH03108725 U JP H03108725U JP 1839090 U JP1839090 U JP 1839090U JP 1839090 U JP1839090 U JP 1839090U JP H03108725 U JPH03108725 U JP H03108725U
- Authority
- JP
- Japan
- Prior art keywords
- stopper
- closing
- support base
- passageway
- opening
- 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
- 230000001174 ascending effect Effects 0.000 claims description 3
- 239000004568 cement Substances 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990018390U JPH0734998Y2 (ja) | 1990-02-26 | 1990-02-26 | 長尺昇降階段の安全装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990018390U JPH0734998Y2 (ja) | 1990-02-26 | 1990-02-26 | 長尺昇降階段の安全装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03108725U true JPH03108725U (cs) | 1991-11-08 |
JPH0734998Y2 JPH0734998Y2 (ja) | 1995-08-09 |
Family
ID=31753283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990018390U Expired - Lifetime JPH0734998Y2 (ja) | 1990-02-26 | 1990-02-26 | 長尺昇降階段の安全装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0734998Y2 (cs) |
-
1990
- 1990-02-26 JP JP1990018390U patent/JPH0734998Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0734998Y2 (ja) | 1995-08-09 |