ASTM D492-48(1958)

Method of Sampling Coals Classified According to Ash Content (Withdrawn 1970)

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The information about the standard:

Designation standards: ASTM D492-48(1958)
Note: NEPLATNÁ
Approximate weight : 300 g (0.66 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM