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Overview ISO 1179-4:2007 specifies dimensions, performance requirements and test procedures for stud ends with ISO 228-1 threads and metal-to-metal sealing intended for general use (type B). The stan…
Overview ISO 11794:2017 - "Copper, lead, zinc and nickel concentrates - Sampling of slurries" specifies basic methods for obtaining representative samples of particulate concentrates transported as s…