JPH0469759U - - Google Patents

Info

Publication number

JPH0469759U

JPH0469759U JP11208490U JP11208490U JPH0469759U JP H0469759 U JPH0469759 U JP H0469759U JP 11208490 U JP11208490 U JP 11208490U JP 11208490 U JP11208490 U JP 11208490U JP H0469759 U JPH0469759 U JP H0469759U

Authority

JP

Japan

Prior art keywords

identified

circumferential surface

outer circumferential

identification device

ring

Prior art date

1990-10-29

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

• 230000003287 optical effect Effects 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 4
• 238000003384 imaging method Methods 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1

Cited By (1)