METHOD FOR BREAKING THE ICE COVER
METHOD FOR BREAKING THE ICE COVER
DEVICE FOR ICE COVER DESTRUCTION
METHOD OF ICE COVER DESTRUCTION
METHOD OF ICE COVER DESTRUCTION IN SHALLOW WATER
METHOD OF ICE COVER DESTRUCTION IN SHALLOW WATER
DEVICE FOR DESTRUCTION OF ICE COVER
DEVICE FOR BREAKING DOWN ICE COVER
DEVICE FOR BREAKING DOWN ICE COVER
DEVICE FOR BREAKING DOWN ICE COVER
SYSTEM FOR DEMOLISHING OF FLOE