Title:
【発明の名称】工場建屋等物品搬出入口における塵埃侵入防止装置
Document Type and Number:
Japanese Patent JP3187449
Kind Code:
B2
Inventors:
Kenichi Maegaki
Application Number:
JP12540891A
Publication Date:
July 11, 2001
Filing Date:
April 26, 1991
Export Citation:
Assignee:
Kawasaki Steel Co., Ltd.
International Classes:
B08B15/02; E04H5/02; F24F7/06; (IPC1-7): E04H5/02; F24F7/06
Domestic Patent References:
| JP63200057U |
Attorney, Agent or Firm:
Kozaburo Mori