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Bewise Inc. www.tool-tool.com Reference source from the internet.奥村 望岩瀬厚司 Nozomu OKUMURA Atsushi IWASE Vacuum Carburizing is vacuum process in which the carburizing gas is under a pressure of about 48kPa(360Torr) absolute. Usually Methane or Propane is used as the carburi...
