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Summary: Marking examples: strength level A, bulk density level B, superior Blocks are classified according to their compress[Read the full text]
Summary: The following standards contain provisions that constitute the provisions of this standard by reference in this stand[Read the full text]
Summary: as the main raw materials, with an appropriate amount of aerating agent, regulator, bubble stabilizer added, and proce[Read the full text]
Summary: The following standards contain provisions that constitute the provisions of this standard by reference in this stand[Read the full text]