Original Assignee KUNSHAN HUACHEN PRECISION TOOL CO Ltd Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Inventor ηεδΌ Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number CN201720787423.1U Other languages Chinese ( zh) Google Patents CN206936544U - A kind of diamond double-sided sword buttress thread cutter ![]() CN206936544U - A kind of diamond double-sided sword buttress thread cutter
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