GB - Chinese national standards

Measurement methods for Curie temperature of magnetic materials—Part 1Permanent magnetic materials

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Measurement methods for Curie temperature of magnetic materials—Part 2Soft magnetic materials

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Technical guidelines for identification and assessment of environmental damage—Ecosystem —Part 1Farmland ecosystem

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Test methods for determining the immobilization ratio of chloride in cement

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Test method for upper and lower limit annealing temperatures of ultra-thin glass

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Test method for compressive properties of glass materials and products

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Determination method of total chromium in cement raw materials

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Test method for viscosity of cement paste

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Iron ores—Method for determination of assimilation performance

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Pick for rotary drilling rig

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