E - Fixed Constructions – 21 – B
Inventor
E - Fixed Constructions
21
B
Inventor
Electric induction heating of underground ore deposits
Extraction from underground coal deposits
Extraction of hydrocarbons in situ from underground deposits
Gaffs
Induction heating of coal in situ
Electric induction heating of underground ore deposits
Extraction from underground coal deposits
Extraction of hydrocarbons in situ from underground deposits
Ice creeper
Induction heating of coal in situ
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