| 摘要 |
<p>A powdery material is delivered onto the surface to be coated using a gas, without melting of the powder particles in the gas stream. The gas used contains a gas with a nitrogen content and no oxygen content, argon, neon, krypton, xenon, a gas containing hydrogen, a gas containing carbon, in particular, carbon dioxide, water vapor or mixtures of the gases just mentioned.</p> |
