Title:
防火扉用自動閉鎖装置
Document Type and Number:
Japanese Patent JP4466178
Kind Code:
B2
Inventors:
Hiroshi Yokota
Koji Hirata
Koji Hirata
Application Number:
JP2004128756A
Publication Date:
May 26, 2010
Filing Date:
April 23, 2004
Export Citation:
Assignee:
Panasonic Electric Works Co., Ltd.
International Classes:
E05C17/02; A62C2/06; E05C19/10
Domestic Patent References:
| JP58172682U | ||||
| JP9268823A | ||||
| JP4045864U | ||||
| JP6018579U |
Attorney, Agent or Firm:
Hiroyuki Nakai