GB - Chinese national standards

Test method for micropipe density of monocrystalline silicon carbide

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Test method for thickness and total thickness variation of silicon wafers for solar cell

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Seamless steel tubes and pipes for low and medium pressure boiler

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Available design: electronic design (pdf), Print design

Seamless steel tubes and pipes for low and medium pressure boiler

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Classification of special dense shaped refractory products

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Safety specifications of special work in hazardous chemicals enterprises

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Wrought aluminium alloy extruded profiles with acrylic coating for architecture

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Refractory materials—Determination of thermal shock resistance

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Refractory materials—Determination of thermal shock resistance

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Information technologyUniversal multi-octet coded character setPhags-pa nominal characters and presentation forms16 dot matrix fontHubilie Ti

Available languages: English, Chinese

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