Title:
バスダクト用防火区画貫通部構造
Document Type and Number:
Japanese Patent JP4698207
Kind Code:
B2
Inventors:
Katsuzo Nitta
Masaki Tono
Kazuhiro Okada
Masaki Tono
Kazuhiro Okada
Application Number:
JP2004329717A
Publication Date:
June 08, 2011
Filing Date:
November 12, 2004
Export Citation:
Assignee:
Sekisui Chemical Co.,Ltd.
International Classes:
E04B1/94; A62C3/16; F16L5/04; H02G1/06; H02G3/22; H02G5/06
Domestic Patent References:
| JP58162719U | ||||
| JP4032756U | ||||
| JP2003253785A | ||||
| JP60154681U | ||||
| JP2004266990A |
Attorney, Agent or Firm:
Yasuhiro Hirano