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
Application number
JP1320988U
Other languages
English (en)
Japanese (ja)
Other versions
JPS645452Y2 (enrdf_load_stackoverflow
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1320988U priority Critical patent/JPS645452Y2/ja
Publication of JPS63132513U publication Critical patent/JPS63132513U/ja
Application granted granted Critical
Publication of JPS645452Y2 publication Critical patent/JPS645452Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Agricultural Machines (AREA)
  • Soil Working Implements (AREA)
  • Sowing (AREA)
JP1320988U 1988-02-02 1988-02-02 Expired JPS645452Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1320988U JPS645452Y2 (enrdf_load_stackoverflow) 1988-02-02 1988-02-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1320988U JPS645452Y2 (enrdf_load_stackoverflow) 1988-02-02 1988-02-02

Publications (2)

Publication Number Publication Date
JPS63132513U true JPS63132513U (enrdf_load_stackoverflow) 1988-08-30
JPS645452Y2 JPS645452Y2 (enrdf_load_stackoverflow) 1989-02-10

Family

ID=30802054

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1320988U Expired JPS645452Y2 (enrdf_load_stackoverflow) 1988-02-02 1988-02-02

Country Status (1)

Country Link
JP (1) JPS645452Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS645452Y2 (enrdf_load_stackoverflow) 1989-02-10

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