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ANTENNA CIRCUIT, CIRCUIT BOARD ASSEMBLY, AND WIRELESS BLUETOOTH DEVICE
Free accessEuropean Patent Office | 2021| -
Antenna circuit, circuit board assembly and wireless Bluetooth equipment
Free accessEuropean Patent Office | 2020| -
Loop antenna, circuit board assembly and communication device
Free accessEuropean Patent Office | 2020| -
Direct-current high-voltage large-current synthesis experiment loop based on arc voltage and control method
Free accessEuropean Patent Office | 2020| -
High-power alternating-current variable-frequency alternating-current vacuum contactor of aviation variable-frequency power supply system
Free accessEuropean Patent Office | 2020| -
Miniaturized electromagnetic operating mechanism of low-voltage vacuum contactor
Free accessEuropean Patent Office | 2020|