About PEGISHEVA S A
About NEPOGODIN V I
About LOBACHEV I A
About KIRNOS I V
About KLYSHNIKOV S T
About GOLOVIN L N
About Metallovedenie i Termicheskaya Obrabotka Metallov
About carbonitriding
About Surface hardening
About 浸炭窒化
About 鋼
About 飽和