What does HLMM stand for?
HLMM stands for "Historical Longwall Mining Method"
How to abbreviate "Historical Longwall Mining Method"?
"Historical Longwall Mining Method" can be abbreviated as HLMM
What is the meaning of HLMM abbreviation?
The meaning of HLMM abbreviation is "Historical Longwall Mining Method"
What does HLMM mean?
HLMM as abbreviation means "Historical Longwall Mining Method"
