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asphalt and tar roofing materials
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Petroleum Bitumen 90# For Road Construction / Paving Petroleum Bitumen 70/ 90 Product Description Bitumen 90,Asphalt,Asphaltic bitumen 1, black, good ...
2024-12-09 18:23:38
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... materials, as well as for production of anode paste and plastics, for coal and graphitized products,for coal-graphite buildig materials ,for ...
2024-12-09 18:23:38
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High-class Coal Tar Pitch in Large Quantity 1. Description: Coal Tar Pitch is a kind of black block with brittleness and odor , which is lustrous at ...
2024-12-09 18:23:38
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