ASTM C390 保温材料堆取样和验收的操作标准
日期:2012-02-13 21:36
inspection in accordance with this practice, he shall so specify in the order or contract.
1.4 The vales stated in inch-pound 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.
1.5 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 saf
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