JPS63132513U - - Google Patents
Info
- Publication number
- JPS63132513U JPS63132513U JP1320988U JP1320988U JPS63132513U JP S63132513 U JPS63132513 U JP S63132513U JP 1320988 U JP1320988 U JP 1320988U JP 1320988 U JP1320988 U JP 1320988U JP S63132513 U JPS63132513 U JP S63132513U
- Authority
- JP
- Japan
- Prior art keywords
- soil
- hardness
- changes
- sensor
- plate
- 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.)
- Granted
Links
- 239000002689 soil Substances 0.000 claims description 9
- 238000010899 nucleation Methods 0.000 claims description 2
Landscapes
- Agricultural Machines (AREA)
- Soil Working Implements (AREA)
- Sowing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1320988U JPS645452Y2 (https=) | 1988-02-02 | 1988-02-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1320988U JPS645452Y2 (https=) | 1988-02-02 | 1988-02-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63132513U true JPS63132513U (https=) | 1988-08-30 |
| JPS645452Y2 JPS645452Y2 (https=) | 1989-02-10 |
Family
ID=30802054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1320988U Expired JPS645452Y2 (https=) | 1988-02-02 | 1988-02-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS645452Y2 (https=) |
-
1988
- 1988-02-02 JP JP1320988U patent/JPS645452Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS645452Y2 (https=) | 1989-02-10 |