RU1790572C
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Method of rock neutralization at recultivation of coal colliery dump
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RU1776327C
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Foam generator
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SU1717966A1
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Source of optical radiation
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SU1755884A1
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Filter for cleaning high-temperature gases
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SU1755897A1
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Unit for removing dust from flue gases
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SU1755866A1
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Sewage treatment device
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SU1752758A2
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Microcultivator
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SU1723512A1
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Device for conductometric measurements
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SU1719025A1
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Bag filter
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SU1744375A2
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Water heater
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SU1681891A1
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Liquid filter
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SU1664442A1
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Method and die for forming a part of sheet material with slit- shaped holes
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SU1643667A1
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Mine water pumping plant
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SU1636652A1
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Water heater
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SU1695188A1
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Photoelectric device for determining dust content in flue gases
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SU1668567A1
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Straight shovel excavator bucket
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SU1599746A1
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Device for measuring ratio of specific electric conduction of liquids
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SU1627217A1
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Slurry cleaning filter
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SU1664627A1
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Ropeway
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SU1688195A1
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Device for conductometric measurements
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