Changchun
China
4
2022-01-06
The entities that hold a legal rights for patent applications filed by inventor WAN Ling:
Ling WAN from Changchun, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Distributed device and method for detecting groundwater based on nuclear magnetic resonance
#2 | 2019-04-25Method for random noise reduction from MRS oscillating signal using joint algorithms of EMD and TFPF
#3 | 2018-07-05Surface nuclear magnetic resonance system excited by geoelectric field for groundwater detection and field detection method
#4 | 2017-11-23Anti-saturation device and method for ground magnetic resonance signal amplifying circuit
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