Metallurgical apparatus
Having means for contacting a solid metalliferous material...
With means to prevent warping of treated object
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active
Apparatus for continuous-direct-resistance heating of long-lengt
Apparatus for continuous-direct-resistance heating of long-lengt
Apparatus for manufacturing core wire for optical fibers
Constrained hardening method and apparatus for deformed bar...
Constrained quenching apparatus and heat treatment apparatus
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