ASTM D7256/D7256M-06a被替代
Standard Practice for Mechanical Collection and Within-System Preparation of a Gross Sample of Coal from Moving Streams
出版：American Society for Testing and Materials
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基本信息
標準編號： ASTM D7256/D7256M-06a
發布時間：2006/12/15 0:00:00
標準類別：Standard
出版單位：American Society for Testing and Materials
標準頁數：6
標準簡介
CONTAINED IN VOL. 05.06, 2007Defines procedures for the mechanical collection of a sample under Classification I-B-1 and I-B-2 and the within-system preparation (reduction and division) of gross samples utilizing various components of the mechanical sampling system.
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