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BR9700641A
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Improvement in discharge valve drive system
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BR9701020A
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Improvement in the fixation / articulation system of internal components in a discharge box
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BR9603433A
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Improvement in sealing system of coupling spikes for pipes
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BR9603248A
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Improvement in sewer inspection and cleaning box
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BR9603249A
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Improvement in valve for discharge box
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BR9403938A
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Improvements introduced in water tanks
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BR9403072A
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Anti-reflux device for hydrometer
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BR9402474A
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Retention valve
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BR9402475A
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Connecting device for bathtubs
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BR9402441A
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Flexible tube guidance device
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BR9400443A
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Improvements made to pressure register / drawer
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BR9304483A
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Piping internal diameter measurement system, after laying.
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BR9300220A
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Electronic equipment for gauging / measuring flows
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BR9204163A
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Internal hydrostatic pressure test equipment
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BR9202897A
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Improvement in drilling device for predial connection
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BR9104461A
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Drilling device
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BR9103976A
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Equipment for testing variable hydrostatic pressure
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BR9100700A
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Duct holder and tractor device
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BR9005155A
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Electric shower driver device
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BR9002135A
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Transition element for adaptation on threaded end
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