首页>
外国专利>
A REFRACTORY MASS THAT IS BASIC FOR THE PRODUCTION OF DAMS WHICH HOLD BACK STEEL ALUMINA IN A MACHINE INVOLVED IN THE CONTINUOUS PROCESS OF MAKING INGOTS.
A REFRACTORY MASS THAT IS BASIC FOR THE PRODUCTION OF DAMS WHICH HOLD BACK STEEL ALUMINA IN A MACHINE INVOLVED IN THE CONTINUOUS PROCESS OF MAKING INGOTS.