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PL257552A1
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Change of starting condit ons in boiler furnaces bp-1150 and bp-1150s
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PL257199A1
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Spring clamp for flexible conductors
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PL255596A1
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Prefabricated cabinet in particular for electronic equipment
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PL254925A1
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Digital meter for measuring instant value of phase shift between lf voltage and current waveforms
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PL254690A1
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Method of and network for phasing,especially in electrical equipment
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PL252834A1
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Switchgear protection system
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PL252075A1
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Method of carrying away volatile ashes and bringing them to a destination point and system therefor
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PL251942A2
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Method of monitoring cooperation of a recifier with associated storage battery in power substations
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PL249921A1
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Soot blower for a steam boiler tubular heat exchanger
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PL249903A2
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Shield in particular for dust originating surfaces
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PL249546A1
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Method of safely disposing volatile ashes originated in hard and brouwn coal combustion processes
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PL245529A1
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Hydropneumatical apparatus in particular for removing ashes from beneath of electro-filters
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PL244598A1
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Industrial chimney
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PL243419A1
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Method of determination of dirt hazard of high-voltage insulation
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PL243115A1
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Bus voltage indicator
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PL242979A1
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Scheme of connections for controlling operation of accumulator battery and rectifier
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PL242824A1
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Flexible link variable speed transmission gear
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YU104883A
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Process for obtaining a fly ash suspension
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PL241612A1
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Method of removal of deposits from tubes of turbine condensers and shapes for using this method
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PL238527A1
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New technology of carrying out of revision of big transformers on work-place
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