Title:
トイレ室付き折返し階段
Document Type and Number:
Japanese Patent JP4916072
Kind Code:
B2
Inventors:
Hayakawa Masasaku
Application Number:
JP2001299455A
Publication Date:
April 11, 2012
Filing Date:
September 28, 2001
Export Citation:
Assignee:
Sumitomo Forestry Co., Ltd.
International Classes:
A47K17/00; E04F11/02; E04H1/02
Domestic Patent References:
| JP7189505A |
Attorney, Agent or Firm:
Osamu Hatori
Shuichi Maeda
Akihisa Iwamoto
Yoshiyuki Matsushima
Shuichi Maeda
Akihisa Iwamoto
Yoshiyuki Matsushima