Machines, machine tools and machine parts, namely, machines for dredging, installations in the nature of machines for dredging and structural parts thereof; dredging machines, machine tools for crushing rock and structural machine parts for the aforementioned goods for dredging, mining, wet excavation and wet ore and gold mining; valves for pumps, hydraulic pumps, dredging machines, machine tools for crushing rocks and other structural machine parts for the aforementioned goods for reducing t...

holder apparatus, specifically designed for carpenters' levels, made of plastic, aluminum or a composite of plastic and aluminum, and having a pair of oppositely extendible arms