| http://www.w3.org/ns/prov#value | - ne contact sensing technology mentioned above.The grindstone contact sensing method of the present invention is a method of sensing the contact position of the honing grindstone with the inner circumference of the work in the process characterized by moving the honing tool provided with a honing grindstone reciprocally in the direction of the axial line of the inner circumference of the work, rota
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