Title:
スクリーン管
Document Type and Number:
Japanese Patent JP5168573
Kind Code:
B2
Inventors:
Hiroyuki Masui
Shoji Hirao
Mimura etc.
Kiyokazu Mukai
Shoji Hirao
Mimura etc.
Kiyokazu Mukai
Application Number:
JP2008253567A
Publication Date:
March 21, 2013
Filing Date:
September 30, 2008
Export Citation:
Assignee:
Totaku Industry Co., Ltd.
Nagaoka Co., Ltd.
Nagaoka Co., Ltd.
International Classes:
E21B43/08; E21B49/08
Domestic Patent References:
| JP61064994A | ||||
| JP2204539A | ||||
| JP59210114A |
Attorney, Agent or Firm:
Masahiro Nishimori