Chemical agents; surface treatment agent for metal; chemicals for treatment of metal surface; chemicals

'agent':2,5 'chemic':1,8,14 'metal':7,12 'surfac':3,13 'treatment':4,10

Metalworking; metal treating; coating of metal surface

'coat':4 'metal':2,6 'metalwork':1 'surfac':7 'treat':3

Iron and steel; surface treated steel plates and sheets

'iron':1 'plate':7 'sheet':9 'steel':3,6 'surfac':4 'treat':5

Anti-corrosive preparations; anti-rust preparations; coating preparations for metal anti-corrosion

'anti':2,6,14 'anti-corros':1,13 'anti-rust':5 'coat':9 'corros':3,15 'metal':12 'prepar':4,8,10 'rust':7

ZCS

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