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Cleaning appliance for screens for hydraulic engineering has cleaning rake with blades moving between screening grid bars and upwards to release and remove collected debris
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Weir for continuous adjustment of top water level
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Method and device for controlling the sequence of movement of the trash-rack cleaner of a trash-rack cleaning implement in hydraulics installations
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Device for indicating signalling the pressure of a compressed gas flowing in a compressed gas pipeline in conjunction with compressed-gas cylinders
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Swivel screen
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Process for preparation of (1s, 5s) -5-methyl-2-oxa-bicyclo / 3/3/0 / octan-3,6-dion
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Process for preparing 2-substituted cyclopent-2-en-1-ones
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Method for producing substituted cyclopentyl acetic aces or its lactone
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Process for the preparation of 2.2-disubstituted cyclopentan-1,3-diones
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Process for preparing 2.2.-disubstituted cyclopentan-1,3-diones
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Process for the preparation of carbon acids and ketones
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Process for preparing 1.1-disubstituted 2,5-dioxo-cyclopenanese
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Process for the preparation of cycloalkane derivatives
