(under the class definition) Processes wherein the base is treated with a vacuum or subatmospheric pressure before coating or while the coating is being applied.
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238, for utilizing a vacuum to coat a hollow article.
248.1+, for vapor deposition of a coating utilizing a vacuum.
350, for vacuum treatment of a coating.
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588, Hazardous or Toxic Waste Destruction or Containment, 249+, for the use of a vacuum in a coating process to contain hazardous or toxic waste.
