Title:
ガス検知装置の劣化判定方法及び装置
Document Type and Number:
Japanese Patent JP3998367
Kind Code:
B2
Inventors:
Hiroshi Nakae
Masatsugu Tsuneyoshi
Masatsugu Tsuneyoshi
Application Number:
JP8793999A
Publication Date:
October 24, 2007
Filing Date:
March 30, 1999
Export Citation:
Assignee:
Tokyo Gas Co., Ltd.
New Cosmos Electric Co., Ltd.
New Cosmos Electric Co., Ltd.
International Classes:
G01N27/12; G01N27/18
Domestic Patent References:
| JP11066464A | ||||
| JP11066465A | ||||
| JP2114164A | ||||
| JP1165947A | ||||
| JP63195553A |
Attorney, Agent or Firm:
Shuichiro Kitamura