Title:
【考案の名称】階段の構造
Document Type and Number:
Japanese Patent JPS58181851
Kind Code:
U
Inventors:
Maeda Seiichi
Application Number:
JP8026782U
Publication Date:
December 05, 1983
Filing Date:
May 31, 1982
Export Citation:
International Classes:
E04F11/02; (IPC1-7): E04F11/02; E04B1/40
Domestic Patent References:
| JPS4833612U | 1973-04-23 |