Electrolyte circulation device for lead-acid battery cells - using air-pipe fitted with T=piece connected to small cross=section air-line
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Car battery with discharge prevention - has some positive plates of end cell connected to voltage drop detector and device preventing further discharge
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Gastight maintenance-free accumulator usable in alternative attitudes - has tube parallel to cover for direction of excess gas to relief valve in filling port
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Excess pressure relief valve for gastight sealed accumulator - has small angle opening radially outwards between seating and end face of elastically deformable valve member
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Air-colled electric sec. battery for vehicle - has modular trough in which modules are supported on vertical bars with seals preventing leakage of air around bases
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Rechargeable batteries charging process - determining end of initial charge phase by detecting pressure in cell
DE3902632A1
Battery
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Method and device for the determination of the flow quantity of a hot liquid
EP0325672A1
Process for filling accumulator cells with a solidifying sulphuric-acid electrolyte
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Method for charging maintenance-free, sealed accumulators
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Method for charging maintenance-free, sealed accumulators and accumulators suitable for carrying out the method
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Device for forming stacks of unstable accumulator plates
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Method for charging maintenance-free, sealed storage batteries
