Title:
【発明の名称】構築物の開口下部構造
Document Type and Number:
Japanese Patent JP3059507
Kind Code:
B2
Inventors:
Akihiro Suzuki
Hiroyuki Umezu
Hiroyuki Umezu
Application Number:
JP4606791A
Publication Date:
July 04, 2000
Filing Date:
February 18, 1991
Export Citation:
Assignee:
IG Technology Institute Co., Ltd.
International Classes:
E06B1/62; E06B1/56; (IPC1-7): E06B1/62