
BS EN 16128. Reference test method for release of nickel from those parts of spectacle frames and sunglasses intended to come into close and prolonged contact with the skin
出版:British Standards Institution

專家解讀視頻
BS EN 16128. Reference test method for release of nickel from those parts of spectacle frames and sunglasses intended to come into close and prolonged contact with the skin
出版:British Standards Institution
專家解讀視頻