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SEEN STRENGTHENING A SUBJECT OF METAL MATERIAL HYDROSTATICALLY
SEEN STRENGTHENING A SUBJECT OF METAL MATERIAL HYDROSTATICALLY
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机译:见识加强了金属材料的静水作用
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摘要
The invention concerns a method for hydrostatic extrusion of a material 14 made of copper or copper alloy, wherein the material during the extrusion is preheated to a temperature of at least 400 degrees Celsius and provided with a coating containing boron nitride and finely divided silicon dioxide. IMAGE
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