首页>
外国专利>
Burner for exothermic reactions of gases, in particular for partial combustion of hydrocarbons, - material retention strength gases with air for the production of protective gas for the treatment of workpieces, - warmth
Burner for exothermic reactions of gases, in particular for partial combustion of hydrocarbons, - material retention strength gases with air for the production of protective gas for the treatment of workpieces, - warmth