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Variable frequency control device
Assignee: WEIFANG XINGYUAN TRADING CO LTDPriority: Jan 7, 2025Filed: Jan 7, 2025Granted: Jun 10, 2025
Est. expiryJan 7, 2045(~18.5 yrs left)· nominal 20-yr term from priority
Inventors:Yangyang Chen
80
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The ornamental design for a variable frequency control device, as shown and described.Cited by (0)
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