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2021-06-03Аннотация: В этом документе описывается проектирование и отладка мягких и твердых экструдированных п... -
As the impact of tax reduction is fully digested, PVC gradually returns to fundamentals. Although th...
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2021-06-03UPVC fishing buoys are a kind of fishing gear used by coastal fishermen for marine operations. They ... -
Electroplated PC / ABS modified plastic parts are widely used in automobiles, home appliances and ...
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