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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
10393 金属退火剂 Metal annealing preparations
10682 金属回火剂 Metal tempering preparations
C010249 淬火剂 Quenching agent
C010250 淬火油 Quenching oil
回火剂 Temper
金属回火剂(回火化学制剂) Metal tempering agent (tempering chemical)
金属加工用淬火剂 Quench bath metal processing
用于焊接的回火用化学品 Tempering chemicals, used for welding
用于金属加工的回火用化学品 Tempering chemicals, used for metal processing
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