A combined type of converter ( " LD-Kaldo " ), using elements of the Linz-Donawitz and Kaldo processes was installed 1965 in Belgium at Usinor-Sacilor ) ( Lorraine, France ); these two converters did not meet expectations and the third additional planned Kaldo unit was not installed, instead two OLP ( " oxyg�ne-lance-poudre " ) 240t units were used.
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