Title:
【発明の名称】小径管の内面研磨装置および研磨治具
Document Type and Number:
Japanese Patent JP2879048
Kind Code:
B2
Inventors:
KOBAYASHI MASAKAZU
SATO AKIRA
NAGAHIRO AKYOSHI
SATO AKIRA
NAGAHIRO AKYOSHI
Application Number:
JP13035289A
Publication Date:
April 05, 1999
Filing Date:
May 23, 1989
Export Citation:
Assignee:
NITSUSHIN SEIKO KK
International Classes:
B24B5/40; B24B33/08; B24D99/00; (IPC1-7): B24B33/08; B24B5/40
Domestic Patent References:
| JP632654A | ||||
| JP579455U | ||||
| JP5213032Y2 | ||||
| JP5636604Y2 | ||||
| JP4111664Y1 |
Attorney, Agent or Firm:
Inukai Shinpei