JPH0174772U - - Google Patents

Info

Publication number

JPH0174772U

JPH0174772U JP1987170207U JP17020787U JPH0174772U JP H0174772 U JPH0174772 U JP H0174772U JP 1987170207 U JP1987170207 U JP 1987170207U JP 17020787 U JP17020787 U JP 17020787U JP H0174772 U JPH0174772 U JP H0174772U

Authority

JP

Japan

Prior art keywords

float

utility

scope

circumferential surface

inner circumferential

Prior art date

1987-11-06

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

• 230000003014 reinforcing effect Effects 0.000 claims 1
• 230000002093 peripheral effect Effects 0.000 description 1