GB - Chinese national standards

Test method of weight loss of sintered neodymium iron boron permanent magnets

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Nonmetallic coatings for sintered neodymium iron boron permanent magnets

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Measurement method of irreversible magnetic flux loss due to high temperature of rare earth permanent magnet

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Chemical analysis method of lanthanum-cerium metals and their compounds—Part 1: Determination of cerium content—Ammonium ferrous sulfate titration method

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Chemical analysis methods of lanthanum-cerium metals and their compounds—Part 2Determination of rare earth content

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Corrosion of metals and alloys—Guidelines for applying statistics to analysis of corrosion data

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Rubber, vulcanized or thermoplastic—Determination of resistance to abrasion—Driven,vertical abrasive disc method

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Chemical analysis method of ion-adsorption rare earth ore—Determination of total rare earth contents—Inductively coupled plasma mass spectrometry

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Machining process—Test methods for essential energy efficiency data

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Specification and qualification of welding procedures for production welding of steel castings

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