47989 ⎘
Working stone or stone-like materials, e.g. brick, concrete or glass , not provided for elsewhere; Machines, devices, tools therefor; Methods and apparatus specially adapted for working materials which can easily be split, e.g. mica, slate, schist for cutting or shearing easily splittable working materials
Wafer and wafer producing method
#2CUTTING METHOD FOR CRACKLY PLATE-SHAPED WORK PIECE AND CUTTING DEVICE THEREOF
#3Brick cutting apparatuses and methods
#4APPARATUS FOR CUTTING STONE
#5Cutting means for a slate cutter
#6Shape memory alloy rock splitters (SMARS)
#7Shape memory alloy rock splitters (SMARS)