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Inventor
YAN YUCHAO
CN
2 patents
Patents
2 patents
US12146243B2
Nov 19, 2024
Twisting machine for automatic donning
Yichang jingwei textile machinery co ltd
0 citations
45
US12123111B2
Oct 22, 2024
Lifting system for inner yarn rails
Yichang jingwei textile machinery co ltd
0 citations
45