Assignee

HU JIEFAN

CN·1 granted patent·3 citations·filing 2012–2012

Technology mixB23B1 B25F1 Y10T1

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0155US9937565B2Stud finder and laser level assembly for a power drillHU JIEFAN·Filed 2012·Granted Apr 10, 2018·3 cites·8 claims

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