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GB/T 20473-2021 建筑保温砂浆 Dry-mixed thermal insulating mortar for buildings2023-07-02

JC/T 2706-2022 石膏保温砂浆2023-04-01

GB/T 20473-2021建筑保温砂浆Dry-mixed thermal insulating mortar for buildings2022-10-24