JPH021048U - - Google Patents

Info

Publication number

JPH021048U

JPH021048U JP7873688U JP7873688U JPH021048U JP H021048 U JPH021048 U JP H021048U JP 7873688 U JP7873688 U JP 7873688U JP 7873688 U JP7873688 U JP 7873688U JP H021048 U JPH021048 U JP H021048U

Authority

JP

Japan

Prior art keywords

drill

main hole

cut

turban

pot

Prior art date

1988-06-14

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

• 239000005909 Kieselgur Substances 0.000 claims 1
• VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
• 230000000149 penetrating effect Effects 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1

Cited By (3)