Title:
耐火防音管構造
Document Type and Number:
Japanese Patent JP4196247
Kind Code:
B2
Inventors:
Koji Kobayashi
Hu Yaocheng
Hu Yaocheng
Application Number:
JP2000537000A
Publication Date:
December 17, 2008
Filing Date:
March 16, 1998
Export Citation:
Assignee:
CCI Corporation
International Classes:
F16L55/02; A62C2/00; A62C3/00; E04B1/94; F16L5/00; F16L5/04
Domestic Patent References:
| JP814468A | ||||
| JP6256694A | ||||
| JP6071792U |
Attorney, Agent or Firm:
Takenori Hiroe