Title:
【発明の名称】ダクト用換気扇
Document Type and Number:
Japanese Patent JP2612957
Kind Code:
B2
Inventors:
Tetsuo Ishizu
Application Number:
JP24945190A
Publication Date:
May 21, 1997
Filing Date:
September 18, 1990
Export Citation:
Assignee:
Matsushita Seiko Co., Ltd.
International Classes:
F24F7/10; (IPC1-7): F24F7/10
Domestic Patent References:
| JP55146346A | ||||
| JP56105744U |
Attorney, Agent or Firm:
Tomoyuki Takimoto