Title:
【発明の名称】自動車用ヘッドレストの芯金加工方法及び装置
Document Type and Number:
Japanese Patent JPH0734953
Kind Code:
B2
Inventors:
Keiji Ohashi
Application Number:
JP31192191A
Publication Date:
April 19, 1995
Filing Date:
October 30, 1991
Export Citation:
Assignee:
Matsuyama Sangyo Co., Ltd.
International Classes:
B21D7/00; B21D28/00; B21D53/86; B23P13/00; (IPC1-7): B21D53/86; B21D7/00; B21D28/00; B23P13/00
Domestic Patent References:
| JP4367344A | ||||
| JP311858B2 |
Attorney, Agent or Firm:
Keisuke Matsuyama (2 outside)