US2994165A - Equipment and process for deburring and ...
US2994165A US791763A US79176359A US2994165A US 2994165 A US2994165 A US 2994165A US 791763 A US791763 A US 791763A US 79176359 A US79176359 A US 79176359A US 2994165 A US2994165 A US 2994165A Authority US United States Prior art keywords barrel ultrasonic deburring equipment burnishing Prior art date Legal …
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