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HU895913D0
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Method and circuit arrangement for detecting asymmetry at three-phase three-line supply system
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HUT52635A
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Control mechanism for protective overcurrent circuit-breaking switch
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HUT50420A
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Circuit arrangement for controlling star-delta motor-starting device
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HUT49770A
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Window component part for the application in the casing of a device, preferably of a low-voltage electrical device
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HUT49521A
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Method for forming metallic threaded sleeve in non-metallic work object
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HUT51423A
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Circuit arrangement for reconnecting switched consumers after short failure of mains
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HUT46465A
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Method of precision adjustment for the calibration of bimetallic thermoswitch and bimetallic thermoswitch
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HUT45341A
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Circuit arrangement for overheating and fault current protection of electric loads
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HUT41921A
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Electric switch apparatus with several elementary switch instruments, favourably nodular switch device
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HUT38178A
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Circuit arrangement for timing relay controlled by supply voltage
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HUT34854A
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Method and switching apparatus for protecting complexly against fault current, short-circuit current and overload
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HUT35427A
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Fault current protective arrangement
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DD216589A5
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Schmitt-trigger with verasible hysteresis
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HU186524B
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Method for simulation protection of electric motors
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HU180616B
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Schmitt trigger of variable hysteresis
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