JPS4957505A - - Google Patents
Info
- Publication number
- JPS4957505A JPS4957505A JP10050872A JP10050872A JPS4957505A JP S4957505 A JPS4957505 A JP S4957505A JP 10050872 A JP10050872 A JP 10050872A JP 10050872 A JP10050872 A JP 10050872A JP S4957505 A JPS4957505 A JP S4957505A
- Authority
- JP
- Japan
- 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
- Railway Tracks (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10050872A JPS4957505A (ja) | 1972-10-06 | 1972-10-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10050872A JPS4957505A (ja) | 1972-10-06 | 1972-10-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4957505A true JPS4957505A (ja) | 1974-06-04 |
Family
ID=14275875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10050872A Pending JPS4957505A (ja) | 1972-10-06 | 1972-10-06 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS4957505A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5239207A (en) * | 1975-09-25 | 1977-03-26 | Utako Tazaki | Method of preventing noise of high frequencies produced by running loc omotives |
JPS5288903A (en) * | 1976-01-16 | 1977-07-26 | Tetsudo Kizai Kogyo Co Ltd | Method of preventing noises on concrete track |
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1972
- 1972-10-06 JP JP10050872A patent/JPS4957505A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5239207A (en) * | 1975-09-25 | 1977-03-26 | Utako Tazaki | Method of preventing noise of high frequencies produced by running loc omotives |
JPS5288903A (en) * | 1976-01-16 | 1977-07-26 | Tetsudo Kizai Kogyo Co Ltd | Method of preventing noises on concrete track |