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Technology of upsetting process for parts with rectangular head and spherical radius https://journal.hep.com.cn/2074-0530/EN/10.17816/2074-0530-67986
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Technology of upsetting process for parts with rectangular head and spherical radius https://journal.hep.com.cn/2074-0530/EN/10.17816/2074-0530-67986
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