JPS649523U - - Google Patents

Info

Publication number

JPS649523U

JPS649523U JP10506287U JP10506287U JPS649523U JP S649523 U JPS649523 U JP S649523U JP 10506287 U JP10506287 U JP 10506287U JP 10506287 U JP10506287 U JP 10506287U JP S649523 U JPS649523 U JP S649523U

Authority

JP

Japan

Prior art keywords

fertilization

working position

retreat position

switching member

switching

Prior art date

1987-07-07

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

• 230000004720 fertilization Effects 0.000 claims description 8
• 238000002347 injection Methods 0.000 claims description 3
• 239000007924 injection Substances 0.000 claims description 3
• 238000010586 diagram Methods 0.000 description 1
• 239000003337 fertilizer Substances 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1