| http://www.w3.org/ns/prov#value | - 8456.30 8456.30 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof: Machine tools for working any material by removal of material, by laser or other light or photon beam, ultrasonic, electro-discharge, electro-chemical, electron-beam, ionic-beam or plasma arc processes: Operated by electro-discharge processes:
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