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[Class 1] Chemicals used in industry, science, photography, agriculture, horticulture, and forestry; unprocessed synthetic resins and unprocessed plastics; fire extinguishing and fireproofing compounds; quenching and welding preparations; substances for tanning animal hides; industrial adhesives; compost, fertilizers, and chemical fertilizers; biological agents for industrial and scientific use.

No. Chinese English
10137 铜焊制剂 Brazing preparations
10487 焊接用化学品 Soldering chemicals; Welding chemicals
10583 铜焊助剂 Brazing fluxes; Fluxes (Brazing –)
10584 助焊剂 Fluxes (Soldering –); Soldering fluxes
金属焊接用助剂 Assister for metal soldering
水管助焊剂 Water pipe flux
焊接和铜焊用化学品 Chemicals for welding and brazing
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