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Class Information
Number: 142/25
Name: Wood turning > Circular section > Spiral grooving > Cutter > Rotary > Hollow mandrel
Description: Machines for reducing a stick to a circular section and producing a spiral groove in its circumference by means of a rotary cutter. The stick is controlled in its movements by a rotating hollow mandrel.

Patents under this class:

Patent Number Title Of Patent Date Issued

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