Wooden Box Packaging Zlg Series Vibration Fluidized Bed Dryer Machine Product Description Working principle The material enters into ...
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... percarbonate is a very environmentally friendly high performance low temperature oxygen bleaching agent, because of its good bleaching activ...
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... hydrogen fluoride, potassium permanganate, , ammonium thiocyanate, thiocyanate, cobalt sulfate, nickel sulfate, zinc sulfat...
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