HS 38.10 — 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

38.10.10

Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consisting of metal and other materials

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38.10.90

Fluxes and other auxiliary preparations; for soldering, brazing or welding, or preparations used as cores or coatings for welding electrodes or rods

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