Method and arrangement for mounting solar modules on a base
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Solar roof
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Method for monitoring e.g. temperature of battery cell in battery block in electrically operated motor car, involves converting negative current pulses into voltage pulses, where voltage pulses are digitally reprocessed
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Apparatus and method for removing thrombi
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Solar heating system for production, storage and distribution of heat energy for heating e.g. areas in building, has regulation mechanism, and storage circuit connected with return line to bypass medium to heating mechanism
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Piezoelectric drive device for moving e.g. cleaning device on surface of glass pane of aquarium, has support elements comprising different geometric shapes such that elements are excited with frequencies to natural oscillation
DE102007025690A1
Method and arrangement for heating a medium in an elongate container, in particular in a tubular liquid supply line