Title:
【考案の名称】銅球研磨装置
Document Type and Number:
Japanese Patent JPH0539857
Kind Code:
U
Inventors:
Hiromi Koganedaira
Application Number:
JP9718391U
Publication Date:
May 28, 1993
Filing Date:
October 31, 1991
Export Citation:
Assignee:
Hirai Steel Co., Ltd.
International Classes:
B24B31/108; B24B37/02; (IPC1-7): B24B31/108; B24B37/02
Attorney, Agent or Firm:
Tetsuro Maki (3 others)
Next Patent: JPS539858