JPH0214912U - - Google Patents

Info

Publication number

JPH0214912U

JPH0214912U JP9211088U JP9211088U JPH0214912U JP H0214912 U JPH0214912 U JP H0214912U JP 9211088 U JP9211088 U JP 9211088U JP 9211088 U JP9211088 U JP 9211088U JP H0214912 U JPH0214912 U JP H0214912U

Authority

JP

Japan

Prior art keywords

spring

spring pressure

planting

regulating

adjusted

Prior art date

1988-07-11

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

• Espacenet
• Global Dossier
• Discuss

• 230000007935 neutral effect Effects 0.000 claims description 4
• 240000007594 Oryza sativa Species 0.000 claims description 2
• 235000007164 Oryza sativa Nutrition 0.000 claims description 2
• 235000009566 rice Nutrition 0.000 claims description 2
• 230000001105 regulatory effect Effects 0.000 claims 3
• 238000005096 rolling process Methods 0.000 claims 2
• 238000001514 detection method Methods 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 3