GB/T 40493-2021 Translated English of Chinese Standard (GB/T 40493-2021, GBT40493-2021): Determination of lead, cadmium, chromium and mercury content in the finishing material of wood-based panel [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]
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