Title:
【発明の名称】スパークプラグ主体金具の製造方法
Document Type and Number:
Japanese Patent JP3128258
Kind Code:
B2
Inventors:
Kiyoshi Inoue
Application Number:
JP9990591A
Publication Date:
January 29, 2001
Filing Date:
May 01, 1991
Export Citation:
Assignee:
Nippon Special Ceramics Co., Ltd.
International Classes:
F02P13/00; H01T21/00; H01T21/02; (IPC1-7): H01T21/02
Domestic Patent References:
| JP508937A | ||||
| JP6035487A | ||||
| JP2252974A | ||||
| JP329303B1 |
Attorney, Agent or Firm:
Kenji Ishiguro