| 摘要 |
PROBLEM TO BE SOLVED: To provide a heretofore not attainably effective epochmaking method for surface-treating a metallic workpiece and to provide a surface treatment apparatus therefor. SOLUTION: The method comprises setting the metallic workpiece in a treatment space 1, evacuating the space 1, and feeding high-pressure superheated steam into the space 1 to form an oxide film on the surface of the metallic workpiece. COPYRIGHT: (C)2005,JPO&NCIPI
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