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Class Information
Number: 142/35
Name: Wood turning > Circular section > Spiral grooving > Cutter > Chisel
Description: Machines for reducing a stick to a circular section and producing a spiral groove in its circumference by means of a chisel-cutter.

Patents under this class:

Patent Number Title Of Patent Date Issued
3985049 Tool for cutting helix grooves into rubber roll covers Oct. 12, 1976

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