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PL307658A1
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Cloth filter
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PL280558A1
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Filter
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PL276928A1
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Device for drying, cooling or wetting granulated products
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PL273194A1
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Apparatus for production of granulate
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PL271657A1
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System for preparing and handling solutions of nitro esters
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PL254326A1
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Apparatus for lifting and turning over containers
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PL250477A1
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Gear pump
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PL250396A1
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Method of and apparatus for safety transferring solutions of inlammable materials in particular nitrocellulose
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PL248299A1
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Chamber-type feeder
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PL246984A1
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Pressure-type ball mill
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PL244793A1
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Dumping machine for emptying containers,in particular mixing vats
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PL241827A1
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Apparatus for preventing gas penetration into a charge being treated in a vauum-type chemical apparatus
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PL239812A1
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Mixer
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PL239491A1
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Method of manufacturing hollow articles and apparatus therefor
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DE2659223A1
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SCREW MIXER
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