RU1672788C
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Bearing lug of apparatus
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SU1591594A1
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Multistep sealing of rotating shaft
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SU1575346A1
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Device for cleaning glass roof
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SU1559478A1
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Arrangement for servicing glass roofing
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SU1555932A1
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Arrangement for servicing hot-house roof slopes
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Apparatus for agitating liquid
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SU1513971A1
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Pumping plant of liquid lifting
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Gas purification apparatus
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Apparatus for treating materials with liquid
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Filter
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SU1338300A1
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Device for discharging containers with loose material
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SU1311337A2
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Gate of tank hatch
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SU1389188A1
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Loose material reloading arrangement
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SU1202119A1
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Apparatus for dissolving materials
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Apparatus for processing material with liquid
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SU1153653A1
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Gate of tank hatch
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