C - Chemistry – Metallurgy – 21 – B
Inventor
C - Chemistry, Metallurgy
21
B
Inventor
Adjustable tuyere
Apparatus for heating charging material
Closure apparatus for a tap hole in the bottom of a...
Draft equalizer
Harrow
Apparatus for heating charging material
Closure apparatus for a tap hole in the bottom of a...
Draft equalizer
Harrow
Process for introducing additive substances which are...
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