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Method of reducing the earth resistance value of the protected object
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Horizontal earth electrode unit
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Horizontal earth electrode
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Chemical composition, in particular corrosion accelerator, use thereof and methods for increasing the electrical conductivity of the soil
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Earthing rod
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Method and arrangement for improving the conductivity of the soil
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Protecting barrier absorbing the energy of impacts
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Protection for securing the bolt connection from disconnecting
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Vertical earth electrode and method of driving vertical earth electrodes in the ground
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Structural arrangement protecting a screw joint against disengagement
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Structural arrangement protecting a screw joint against disengagement
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Method of protecting a screw joint against release and locking element therefor
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Screw joint locked against releasing
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