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coal tar powder
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...: Coal Science and Technology (first-grade subject); Coal Utilization and Processing (Second grade subject); Coal reversion (third grade subject). ...
2024-12-09 18:23:38
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...: Coal Science and Technology (first-grade subject); Coal Utilization and Processing (Second grade subject); Coal reversion (third grade subject). ...
2024-12-09 18:23:38
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...coal tar pitch factory Technical Parameter Specification 1) High temperature modifies coal tar pitch: a) Softening point: 138 - 148°C b) Ash: 0.7% ...
2024-12-09 18:23:38
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High Temperature Coal Tar Pitch Lump With Excellent Performance Directly Supplied by Jing Hao Chemical Co., Ltd Chemical Properties : * Coal tar pitch ...
2024-12-09 18:23:38
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.... Application courses: Coal Science and Technology (first-grade subject); Coal Utilization and Processing (Second grade subject); Coal reversion ...
2024-12-09 18:23:38
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China Suppli Cheap Black Color Sulphonated Coal Pitch Asphalt Powder For Price Product Description Sulfonated asphalt powder because of containing ...
2024-12-09 18:23:38
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