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Method of fusion welding of components made of aluminium and its alloys
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Method of controlling blades of hydraulic turbine runner
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Machine for making crimps on tube blanks
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Moving screen with varying radius of curvature
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The method of automated telegram reception in the system of direct connections
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Collapsible pier
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Method of controlling the counting device of automatic subscriber wiring stations
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The method of dialing the subscriber number in the network of automatic subscriber telegraph stations
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Device for parallel connection of automatic and manual switching equipment at subscriber telegraph stations
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Broadcasting device for simplex wiring
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Device for controlling the speed of a DC motor
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Breakwater
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Subscriber telegraph automatic station with two-way pick-up
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Packet unwinding device
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Doubler
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Electromagnetic constipation for doors common to several flats
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