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PL320769A1
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Method of obtaining an aluminium powder suspension and system therefor
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PL319739A1
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Apparatus for handling a cellular concrete body block and its associated mould bottom
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PL319738A1
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Apparatus for accurately cutting to size a cellular concrete body
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PL313426A1
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Apparatus for transferring moulds filled with cellular concrete from carts onto a roller conveyor
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PL309312A1
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Sound absorbing screen
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PL292374A1
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Prefabricated building wall self-supporting panel
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PL281460A1
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Method for manufacturing pipes, especially reinforced
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PL281459A1
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Mould for manufacturing of pipes, especially reinforced concrete pipes
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PL273432A1
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Device for cutting cellular concrete
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PL270713A2
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Indicator for testing motor vehicle electric wiring for continuity of circuits and checking its polarity
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PL270228A1
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Lining plate for a ball mill
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PL269227A1
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Method of making prefabricated building units
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HUT57334A
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Prefabricated, reinforced concrete unit particularly for public roads or concreted crossings
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PL256748A1
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Apparatus for controlling tension and holding excessive length of conveyor belt
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PL255865A1
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Mould for precasting floor slabs
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PL255617A1
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Mould for making precast building units
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PL255618A1
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Method of making lamp posts
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PL254818A1
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Apparatus for handling objects in particular interlayer members used in manufacture of roof tiles
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PL254341A1
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Method of separating moulded articles from moulding elements,in particular roof tiles from mould underlays and apparatus therefor
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PL254046A1
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Method of manufacturing pre-cast concrete ceiling slabs
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