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DE937187C
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Electrode for introducing an electric current into a liquid
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DE927604C
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Device for analyzing sugar solutions
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DE858026C
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Method and device for checking the boiler feed water or the like for sugar content, especially in sugar factories
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DE585326C
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Locking device for folding horizontal bars or similar gymnastic equipment
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DE566320C
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Storage for horizontal columns or other gymnastic equipment that can be folded around an axis of rotation
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DE331290C
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Locking device for the lid of slingshots
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DE456788C
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Locking device for free-standing gymnastics equipment rack
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DE456789C
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Locking device for gymnastics equipment
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DE472692C
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Electric soldering and welding device by means of currents induced in the workpiece
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DE586145C
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Spring swing board (trampoline) for gymnastics purposes
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