%0 Journal Article
%T Research on adjustable device for floor opening of elevator machine room
%A Feng, Shuangchang
%A Liang, Yanchun
%A Chen, Jie
%A Fang, Kun
%J Proceedings of SPIE
%V 12339
%P 123390P-123390P-6
%@ 0277-786X
%D 2022-09-28
%I SPIE
%~ DeepDyve