Title:
【考案の名称】梁貫通孔補強具
Document Type and Number:
Japanese Patent JPS58161015
Kind Code:
U
Inventors:
Norikuni Miyao
Application Number:
JP5904382U
Publication Date:
October 26, 1983
Filing Date:
April 21, 1982
Export Citation:
International Classes:
B21D31/04; E04C5/00; (IPC1-7): E04C5/00; B21D31/04
Domestic Patent References:
| JP44021260A |