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Inventor
HE JIEJUN
CN
2 patents
Patents
2 patents
US12011848B2
Jun 18, 2024
Sand spreader
KOCEL INTELLIGENT MACHINERY LTD
0 citations
41
US11524331B2
Dec 13, 2022
Unidirectional or bidirectional sand dispensing device
KOCEL INTELLIGENT MACHINERY LTD
0 citations
40