JPH0131624Y2 - - Google Patents
Info
- Publication number
- JPH0131624Y2 JPH0131624Y2 JP5910784U JP5910784U JPH0131624Y2 JP H0131624 Y2 JPH0131624 Y2 JP H0131624Y2 JP 5910784 U JP5910784 U JP 5910784U JP 5910784 U JP5910784 U JP 5910784U JP H0131624 Y2 JPH0131624 Y2 JP H0131624Y2
- Authority
- JP
- Japan
- Prior art keywords
- iron cover
- manhole
- key
- manhole iron
- cover
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 106
- 229910052742 iron Inorganic materials 0.000 claims description 53
- 230000000630 rising effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5910784U JPS60172859U (ja) | 1984-04-21 | 1984-04-21 | マンホ−ル鉄蓋開閉鍵用鍵棒 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5910784U JPS60172859U (ja) | 1984-04-21 | 1984-04-21 | マンホ−ル鉄蓋開閉鍵用鍵棒 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60172859U JPS60172859U (ja) | 1985-11-15 |
JPH0131624Y2 true JPH0131624Y2 (forum.php) | 1989-09-28 |
Family
ID=30585221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5910784U Granted JPS60172859U (ja) | 1984-04-21 | 1984-04-21 | マンホ−ル鉄蓋開閉鍵用鍵棒 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60172859U (forum.php) |
-
1984
- 1984-04-21 JP JP5910784U patent/JPS60172859U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60172859U (ja) | 1985-11-15 |