JPS621518U - - Google Patents

Info

Publication number

JPS621518U

JPS621518U JP9478885U JP9478885U JPS621518U JP S621518 U JPS621518 U JP S621518U JP 9478885 U JP9478885 U JP 9478885U JP 9478885 U JP9478885 U JP 9478885U JP S621518 U JPS621518 U JP S621518U

Authority

JP

Japan

Prior art keywords

groove

interlocking

making

row fertilization

retractably

Prior art date

1985-06-21

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

• 240000007594 Oryza sativa Species 0.000 claims description 2
• 235000007164 Oryza sativa Nutrition 0.000 claims description 2
• 210000000078 claw Anatomy 0.000 claims description 2
• 235000009566 rice Nutrition 0.000 claims description 2
• 230000004720 fertilization Effects 0.000 claims 2
• 239000003337 fertilizer Substances 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 1