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CZ361591A3
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fuel, particularly for internal combustion engines
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CZ361691A3
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disruptive engine
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CS831785A1
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Connection for electric current multiplication
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CS820684A1
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Method for coal and gas blow detection and danger elimination during mine working driving
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CS248407B1
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Insoluble substances from sludges and waste waters separating device
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CS247676B1
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Equipment for insoluble substances' separation from sludges and waste waters
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CS249654B1
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Discontinous equipment for separation of insoluble substances from sludges and waste waters
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CS245953B1
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Method of colloidal substances and complexes separation from waste waters
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CS236073B1
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Equipment for insoluble substances separation from waste waters
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CS231650B1
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Device for separating of insoluble components of waste water
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CS520582A1
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Method to separate insoluble matters which contain radioactive elements
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CS221116B1
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Electroseparation and/or electroflotation device for separating non-soluble substances from the refuse waters
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CS223720B1
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Facility for separation of non-soluble substances from the mud and refuse waters
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CS214007B1
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Decontamination method of radioactive solutions and waters and installation for its execution
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CS194128B1
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Facility forthe drive of the electric switches contacts
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CS194127B1
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Connection of the electromagnetic starter
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CS189948B1
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Separation of insoluble substances from sludges and waste waters
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