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Means for tensioning the haulage chains or cables
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Industry
CPC
E21C29/145
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21C
MINING OR QUARRYING
E21C29/00
Propulsion of machines for slitting or completely freeing the mineral from the seam
Current Industry
E21C29/145
Means for tensioning the haulage chains or cables
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