07
Machine tools; machine parts for the use in devices for
storing, treating, transporting and draining-off of liquids,
wastes of all kind, screenings, sludge and filter cake, the
aforementioned machines provided they are included in this
class; machines and devices for solid and/or liquid
separation, provided they are included in this class, in
particular screening rakes, step rakes, sieves, thickener,
dewatering devices, spiral pressing devices, rotary screens
and screening washers; machines and devices for treatment of
sand, provided they included in this class, in particular
sand classifiers, sand washer and sand separators; machine
operated spiral conveyors and conveyor spirals as parts of
machines for dry, moist, wet, pasty, adhesive, dusty, bulky
or abrasive material; pumps as machines, in particular dry
or wet positioned pumps for wastewater and sludge, in
particular vortex vacuum pumps, bilge pumps, cutter head
pumps and turbotex pumps; filters as parts of the
aforementioned machines for solid and/or liquid separation,
provided they are included in this class
09
Weighing, measuring, signalling and checking (supervision)
apparatus and instruments, apparatus and instruments for
conducting, switching, transforming, accumulating,
regulating or controlling electricity, in particular for
devices and machines mentioned in class 7 above
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