![]() ![]() Y10T83/8831- Plural distinct cutting edges on same support.Y10T83/8828- Plural tools with same drive means.Y10T83/8821- With simple rectilinear reciprocating motion only.Y10T83/869- Means to drive or to guide tool.Y10T- TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION.Y10- TECHNICAL SUBJECTS COVERED BY FORMER USPC. ![]()
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