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Title Standard No. Implemented On
Steels for cold heading and cold extrudingGB/T 6478-20152016-6-1
Ferroallys sampling and preparation of samples for chemical analysisGB/T 4010-20152016-6-1
Technical specification of energy saving and environmental protection design for industrial furnace of cold rolling strip CAL and CGL and CCL line in iron and steel worksYB/T 4243-20112011-10-1
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