Title:
家屋棟部用換気装置
Document Type and Number:
Japanese Patent JP4399637
Kind Code:
B2
Inventors:
Kinjiro Ota
Application Number:
JP2003179231A
Publication Date:
January 20, 2010
Filing Date:
June 24, 2003
Export Citation:
Assignee:
Ota Kosan Co., Ltd.
International Classes:
E04D13/16; E04D1/30; E04D1/34
Domestic Patent References:
| JP4092929U | ||||
| JP9268726A | ||||
| JP61102948A | ||||
| JP2003278340A |
Attorney, Agent or Firm:
Kazuo Takeshita