PL356687A1
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Adjustable reducer for reinforced concrete and steel chimneys
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PL334938A1
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Wind turbine with a wind accelerator
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PL325845A1
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Three-dimensional scissors-type
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PL319543A1
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Demolishing equipment assembly in particular that used for demolishment of reinforced concrete smokestacks
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PL288937A1
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Wind turbine
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PL284013A1
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Vehicle for moving crushing heads
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PL284015A1
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Inflatable plastic foil barrier and method of thermally insulating glass and foil covered greenhouses
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PL284014A1
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Roundabout or drum type wind motor
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PL283793A1
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Crushing head
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PL282358A1
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Advancing form work
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PL278956A1
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Steel smokestack and method of crecting it
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CS183669B2
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Load bearing structure of sliding shuttering
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