Assignee

CHAN CHUNG MING

HK·1 granted patent·2 citations·filing 2012–2012

Technology mixA23N1 A47J1 F16H1 Y10T1

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0159US9615603B2Food-drying device with automatic gear-shift drive mechanism, and related coupling deviceCHAN CHUNG MING·Filed 2012·Granted Apr 11, 2017·2 cites·16 claims

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