JPS62180582U - - Google Patents

Info

Publication number

JPS62180582U

JPS62180582U JP20452685U JP20452685U JPS62180582U JP S62180582 U JPS62180582 U JP S62180582U JP 20452685 U JP20452685 U JP 20452685U JP 20452685 U JP20452685 U JP 20452685U JP S62180582 U JPS62180582 U JP S62180582U

Authority

JP

Japan

Prior art keywords

shaft

pencil

insertion hole

pencil lead

wooden

Prior art date

1985-12-27

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

• 230000037431 insertion Effects 0.000 claims description 3
• 238000003780 insertion Methods 0.000 claims description 3
• 230000002093 peripheral effect Effects 0.000 description 2