Hunan
China
2
2020-08-20
The entities that hold a legal rights for patent applications filed by inventor CHEN Aijun:
Aijun CHEN from Hunan, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Control method and system of neutral section passing of multi-locomotive short broke trains
#2 | 2019-06-27Diesel multiple unit, and electricity supply system and traction control method therefor
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