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Summary: Blocks are classified according to their compressive strength and volumetric density. If the purchasing unit needs o[Read the full text]
Summary: Control standard for radioactive substances in building materials mixed with industrial waste - Determination of stead[Read the full text]
Summary: Blocks are divided into three levels based on dimensional deviation, appearance quality volumetric density, and compr[Read the full text]
Summary: There are seven strength levels: A, A, A A, A, and A There are six levels of volumetric density: B, B, B, B, B, and B[Read the full text]
Summary: If the purchasing unit needs other specifications, they can negotiate with the production factory to determine. There[Read the full text]
