ASTM F2420用相对湿度探针测量法和绝缘盖测定混凝土地板表面相对湿度的标准试验方法
日期:2012-02-08 11:13
nd units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Some specific warnings are g
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