JPS63120763U - - Google Patents

Info

Publication number

JPS63120763U

JPS63120763U JP1169887U JP1169887U JPS63120763U JP S63120763 U JPS63120763 U JP S63120763U JP 1169887 U JP1169887 U JP 1169887U JP 1169887 U JP1169887 U JP 1169887U JP S63120763 U JPS63120763 U JP S63120763U

Authority

JP

Japan

Prior art keywords

tube

inner diameter

main body

protective member

peripheral surface

Prior art date

1987-01-29

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

• 238000005498 polishing Methods 0.000 claims description 6
• 230000001681 protective effect Effects 0.000 claims description 3
• 230000002093 peripheral effect Effects 0.000 claims 2
• 238000007796 conventional method Methods 0.000 description 1

Cited By (2)