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2010-7-27
Honeycomb ceramics has high surface area, low air flow resistance.
Catalyst carrier: it can clean...
ceramic honeycomb
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2010-7-20
40/2+40D*40/2+40D 200-260GSM 1/1plain 57/58
40/2+40D*40/2+40D 250-350GSM 2/1 twill and 3/1twill...
TR spandex, TRelastic
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