JPH02116299U - - Google Patents

Info

Publication number

JPH02116299U

JPH02116299U JP2635189U JP2635189U JPH02116299U JP H02116299 U JPH02116299 U JP H02116299U JP 2635189 U JP2635189 U JP 2635189U JP 2635189 U JP2635189 U JP 2635189U JP H02116299 U JPH02116299 U JP H02116299U

Authority

JP

Japan

Prior art keywords

base surface

depth dimension

grooves

diameter

utility

Prior art date

1989-03-07

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

• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
• 229910052742 iron Inorganic materials 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1