CN106045564B - 一种利用煤矸石制备保温材料的方法 ...2022-08-24
CN106045564B CN201610340326.8A CN201610340326A CN106045564B CN 106045564 B CN106045564 B CN 106045564B CN 201610340326 A CN201610340326 A CN 201610340326A CN 106045564 B CN106045564 B CN 106045564B Authority CN China Prior art keywords gangue weight added thermal insulation insulation material Prior art
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