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Section VI
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Chapter 38
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Heading 3810
Heading 3810
Metal-pickling preparations; fluxes etc for soldering, brazing; welding powders, pastes of metal and other materials; preparations used as cores or coatings for welding electrodes or rods
381010
Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consisting of metal and other materials
381090
Fluxes and other auxiliary preparations; for soldering, brazing or welding, or preparations used as cores or coatings for welding electrodes or rods