MEANS FOR PERFORATING A TANK OF NATURAL GAS IN THE LIQUID STATE
MANUFACTURING METHOD OF TIRE SOUND ABSORBING MATERIAL AND SLIT MACHINING DEVICE
Apparatus for cutting a tinted film for a vehicle window and a cutting method using the apparatus
Chain belt type semi-automatic kelp harvesting and slitting integrated ship and harvesting method
Multi-section type circuit board punching device and punching method
CEILING OF VEHICLE CUTTING DEVICE AND CEILING OF VEHICLE CUTTING METHOD FOR HIGH
Cutting device for production of efficient thermal insulation material for buildings