Class1： Chemicals used in industry、science and photography、as well as in agriculture、horticulture and forestry、unprocessed artificial resins、unprocessed plastics、manures、fire extinguishing compositions、tempering and soldering preparations、chemical substan
Class1： Chemicals used in industry、science and photography、as well as in agriculture、horticulture and forestry、unprocessed artificial resins、unprocessed plastics、manures、fire extinguishing compositions、tempering and soldering preparations、chemical substan
类别1：用于工作、科学、摄影、农业、园艺、森林的化学品，未加工人造合成树脂，未加工塑料物，肥料，灭火用合成物，淬火和金属焊接用制剂，保存食用化学品，鞣料，工业用黏合剂。