Title:
【考案の名称】折曲梯子の大角度装置
Document Type and Number:
Japanese Patent JPS58121998
Kind Code:
U
Inventors:
Yano Masao
Application Number:
JP1868182U
Publication Date:
August 19, 1983
Filing Date:
February 12, 1982
Export Citation:
International Classes:
E06C1/04; E06C1/32; E06C1/38; (IPC1-7): E06C1/04; E06C1/32; E06C1/38