Title:
【発明の名称】階段換気装置
Document Type and Number:
Japanese Patent JP2966773
Kind Code:
B2
Inventors:
YOKOYAMA KATSUMI
MORIMOTO TAIJI
MORIMOTO TAIJI
Application Number:
JP25126995A
Publication Date:
October 25, 1999
Filing Date:
September 28, 1995
Export Citation:
Assignee:
NASHONARU JUTAKU SANGYO KK
International Classes:
E04F11/02; E04B1/70; E04B1/72; (IPC1-7): E04B1/70; E04B1/72; E04F11/02
Domestic Patent References:
| JP6123464A | ||||
| JP62904A | ||||
| JP63104503U | ||||
| JP63111508U |
Attorney, Agent or Firm:
Tadashi Naemura (1 person outside)