| 266 / | HD | METALLURGICAL APPARATUS |
| 114 | DF | HAVING MEANS FOR CONTACTING A SOLID METALLIFEROUS MATERIAL OR METAL OBJECT WITH A LIQUID {5} |
| 121 | ![]() | .~ With heating means, e.g., flame contact {6} |
| 122 | DF | .~.~> By means treating metalliferous materials, e.g., ores |
| 123 | DF | .~.~> By heating means adapted to be inserted into a hollow object |
| 124 | DF | .~.~> By means heating selected areas of an object {1} |
| 127 | DF | .~.~> Unitized heating and fluid contact means |
| 128 | DF | .~.~> By electric heating means {1} |
| 130 | DF | .~.~> Having bath for contacting the work with liquid {3} |