JPS63124913U - - Google Patents
Info
- Publication number
- JPS63124913U JPS63124913U JP1685087U JP1685087U JPS63124913U JP S63124913 U JPS63124913 U JP S63124913U JP 1685087 U JP1685087 U JP 1685087U JP 1685087 U JP1685087 U JP 1685087U JP S63124913 U JPS63124913 U JP S63124913U
- Authority
- JP
- Japan
- Prior art keywords
- shape
- branch
- groove
- leading edge
- thread
- 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
Landscapes
- Steps, Ramps, And Handrails (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1685087U JPS63124913U (nl) | 1987-02-07 | 1987-02-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1685087U JPS63124913U (nl) | 1987-02-07 | 1987-02-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63124913U true JPS63124913U (nl) | 1988-08-15 |
Family
ID=30809078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1685087U Pending JPS63124913U (nl) | 1987-02-07 | 1987-02-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63124913U (nl) |
-
1987
- 1987-02-07 JP JP1685087U patent/JPS63124913U/ja active Pending