JP2553225Y2 - 枕 木 - Google Patents
枕 木Info
- Publication number
- JP2553225Y2 JP2553225Y2 JP1991058696U JP5869691U JP2553225Y2 JP 2553225 Y2 JP2553225 Y2 JP 2553225Y2 JP 1991058696 U JP1991058696 U JP 1991058696U JP 5869691 U JP5869691 U JP 5869691U JP 2553225 Y2 JP2553225 Y2 JP 2553225Y2
- Authority
- JP
- Japan
- Prior art keywords
- ballast
- sleeper
- laying
- roadbed
- density
- 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 - Fee Related
Links
Landscapes
- Road Paving Structures (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1991058696U JP2553225Y2 (ja) | 1990-08-24 | 1991-07-25 | 枕 木 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2-89003 | 1990-08-24 | ||
JP8900390 | 1990-08-24 | ||
JP1991058696U JP2553225Y2 (ja) | 1990-08-24 | 1991-07-25 | 枕 木 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0489101U JPH0489101U (US07943777-20110517-C00090.png) | 1992-08-04 |
JP2553225Y2 true JP2553225Y2 (ja) | 1997-11-05 |
Family
ID=31948593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1991058696U Expired - Fee Related JP2553225Y2 (ja) | 1990-08-24 | 1991-07-25 | 枕 木 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2553225Y2 (US07943777-20110517-C00090.png) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3623615B2 (ja) * | 1996-11-01 | 2005-02-23 | 積水化学工業株式会社 | まくら木 |
JP2002242101A (ja) * | 2001-02-21 | 2002-08-28 | Sekisui Chem Co Ltd | まくら木 |
BR112015016724B1 (pt) * | 2013-01-14 | 2021-12-07 | Greenrail S.R.L. | Dormente ferroviário de compósito e via férrea compreendendo dormente ferroviário de compósito |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5383800A (en) * | 1976-12-29 | 1978-07-24 | Fujitsu Ltd | Medium recognizing system |
JPS5571974A (en) * | 1978-11-25 | 1980-05-30 | Seiko Epson Corp | Composite display type electronic wrist watch |
JPS6411761U (US07943777-20110517-C00090.png) * | 1987-07-09 | 1989-01-23 |
-
1991
- 1991-07-25 JP JP1991058696U patent/JP2553225Y2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0489101U (US07943777-20110517-C00090.png) | 1992-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |