GB/T19494-2004 mechanical sampling of coal. Implementation Guide (Paperback)(Chinese Edition) - Couverture souple

DUAN YUN LONG

 
9787506649049: GB/T19494-2004 mechanical sampling of coal. Implementation Guide (Paperback)(Chinese Edition)

Synopsis

Language:Chinese.Soft cover.publisher:Standards Press of China; 1 edition (July 1. 2008).description:Paperback. Pages Number: 232 Language: Chinese. Publisher: Standards Press of China; 1 (July 1. 2008). GB/T19494-2004 <mechanized coal sample> Implementation Guide describes the combination of the standard provisions of the development of coal

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