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Iron ores, concentrates, agglomerates and pellets. Methods of the determination of zinc and lead content
Document status: Active
Lead concentrates. Methods for the determination of gold and silver
Document status: Active
Pneumatic hammer drills. Technical requirements and testing methods
Document status: Cancelled
Oils, lubricants and special fluids. Limited list and order of application
Document status: Active
Underground drilling rids. General specifications and test methods
Document status: Active