JPH02107821U - - Google Patents

Info

Publication number

JPH02107821U

JPH02107821U JP1699789U JP1699789U JPH02107821U JP H02107821 U JPH02107821 U JP H02107821U JP 1699789 U JP1699789 U JP 1699789U JP 1699789 U JP1699789 U JP 1699789U JP H02107821 U JPH02107821 U JP H02107821U

Authority

JP

Japan

Prior art keywords

small diameter

diameter hole

large diameter

hole

diameter portion

Prior art date

1989-02-16

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

• 125000006850 spacer group Chemical group 0.000 claims description 5
• 239000010687 lubricating oil Substances 0.000 claims description 4
• 239000000314 lubricant Substances 0.000 claims 2
• 238000002485 combustion reaction Methods 0.000 description 2
• 230000005540 biological transmission Effects 0.000 description 1