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Inventor
HONG PEIZAI
CN
2 patents
Patents
2 patents
US11909353B2
Feb 20, 2024
Ground-fault detecting device and related method
KEHUA HENGSHENG CO LTD
2 citations
63
US11469708B2
Oct 11, 2022
Ground-fault detecting device and related method
KEHUA HENGSHENG CO LTD
2 citations
63