JPS6341616U - - Google Patents
Info
- Publication number
- JPS6341616U JPS6341616U JP13166886U JP13166886U JPS6341616U JP S6341616 U JPS6341616 U JP S6341616U JP 13166886 U JP13166886 U JP 13166886U JP 13166886 U JP13166886 U JP 13166886U JP S6341616 U JPS6341616 U JP S6341616U
- Authority
- JP
- Japan
- Prior art keywords
- snow melting
- photoelectric switch
- snow
- reflective photoelectric
- color
- 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
- 230000008018 melting Effects 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 12
- 238000009825 accumulation Methods 0.000 claims 1
Landscapes
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13166886U JPS6341616U (bg) | 1986-08-28 | 1986-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13166886U JPS6341616U (bg) | 1986-08-28 | 1986-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6341616U true JPS6341616U (bg) | 1988-03-18 |
Family
ID=31030339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13166886U Pending JPS6341616U (bg) | 1986-08-28 | 1986-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6341616U (bg) |
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1986
- 1986-08-28 JP JP13166886U patent/JPS6341616U/ja active Pending