Title:
【考案の名称】螺旋型エスカレ-タのトラス
Document Type and Number:
Japanese Patent JPS58140997
Kind Code:
U
Inventors:
Tokuyama Takashi
Application Number:
JP3896482U
Publication Date:
September 22, 1983
Filing Date:
March 18, 1982
Export Citation:
International Classes:
B66B21/06; B66B23/00; B66F9/12; (IPC1-7): B66F9/12
Domestic Patent References:
| JPS479216U | 1972-10-04 | |||
| JPS4929709A | 1974-03-16 | |||
| JPS4825559A | 1973-04-03 |