Title:
真空バルブ用電気接点およびそれを用いた真空遮断器
Document Type and Number:
Japanese Patent JP5159947
Kind Code:
B2
Inventors:
Shigeru Kikuchi
Satoshi Kajiwara
Takashi Sato
Baba Noboru
Satoshi Kajiwara
Takashi Sato
Baba Noboru
Application Number:
JP2011500352A
Publication Date:
March 13, 2013
Filing Date:
February 17, 2009
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
H01H33/664; B22F1/02; C22C1/04; C22C9/00; H01H1/025; H01H11/04
Domestic Patent References:
| JP2003223834A | 2003-08-08 | |||
| JPH1173830A | 1999-03-16 | |||
| JP2003223834A | 2003-08-08 |
Attorney, Agent or Firm:
Polaire Patent Business Corporation