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Petroleum and natural gas industries. Shell-and-tube heat exchangers. Technical requirements
Document status: Cancelled
Sidewall sampling apparatus. Types, basic parameters and requirements
Document status: Active
Zink concentrates. Atomic absorption method for determination of copper, lead, cadmium, cobalt, iron, potassium, sodium, gold, silver, indium, calcium and magnesium
Document status: Active
Mining equipment. Mobile armoured face conveyors. General technical requirements and test methods
Document status: Active
Reagents. Manganese (II) acetate 4-aqueous. Specifications
Document status: Active