Title:
【発明の名称】大型電子管用ゲッタ装置
Document Type and Number:
Japanese Patent JP2950552
Kind Code:
B2
Inventors:
OKAI TADAKI
NAKAYAMA SHOJI
NAKAYAMA SHOJI
Application Number:
JP21691389A
Publication Date:
September 20, 1999
Filing Date:
August 22, 1989
Export Citation:
Assignee:
TOSHIBA KK
International Classes:
H01J29/94; H01J7/18; (IPC1-7): H01J29/94; H01J7/18
Domestic Patent References:
| JP6273536A | ||||
| JP5832732B2 |
Attorney, Agent or Firm:
Suyama Saichi