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Mine Safety and Health Administration
Protecting Miners' Safety and Health Since 1978		 Photos representing the mining workforce
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Manufacturer
J. H. Fletcher & Company

Manufacturer Model Approval Number Extension Perm. Checklist Drawing
J. H. Fletcher
& Company 		DDR-D 31-134 -0 Power System DM-44-A
Machine/Electrical DM-125
 
J. H. Fletcher
& Company 		U7-4-D 31-133 -0 Power System DM-44-A
Machine/Electrical DM-124
 
J. H. Fletcher
& Company 		DR-D 31-127 -0 Power System DM-44-A
Electrical System DM-109
Machine DM-108
 
J. H. Fletcher
& Company 		HDR-D 31-94 -0 Power System DM-29
Electrical System DM-28
Machine DM-27
 
J. H. Fletcher
& Company 		DR-D 31-99 -0 Power System Not Available Yet
Electrical System Not Available Yet
Machine DM-45
 
J. H. Fletcher
& Company 		DR-D 31-108 -0 Power System DM-69
Electrical System DM-62
Machine DM-61
 
J. H. Fletcher
& Company 		KRD-D 31-91 -0 Power System Not Available Yet
Electrical System DM-39
Machine Not Available Yet



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Mine Safety and Health Administration (MSHA)
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