Cărți în limba engleză > Scientific Methods to Tempering Steel; Compounds for Welding and Restoring Burnt Steel, Compounds for Hardening Steel, Case Hardening, Hardening Solut
Scientific Methods to Tempering Steel; Compounds for Welding and Restoring Burnt Steel, Compounds for Hardening Steel, Case Hardening, Hardening Solut
Titlu completScientific Methods to Tempering Steel; Compounds for Welding and Restoring Burnt Steel, Compounds for Hardening Steel, Case Hardening, Hardening Solut