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RU1770671C
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Heat insulation of main pipe line
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RU1787453C
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Device for extinguishing fire in reservoir
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SU1733040A1
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Settling tank
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Washing device
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Fluid medium electric heater
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Method of cleaning sewage from petroleum products and tetraethyl lead
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Reservoir with pontoon for petroleum products
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Device closing-off a pipeline
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Distributing cock for filling viscous liquids with automatic cut-off by level
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Arrangement for oriented feed of polymeric containers
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Dispensing valve for petroleum-base oils with automatic level cutoff
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Device for closing off a pipeline
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Device for monitoring movement of mixture of petroleum products being transferred through service pipe-lines
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Apparatus for charging vessels with liquid
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SU1535571A1
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Gravitational settling tank for purifying petroleum-containing water
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