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FI20040018A0
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Current converter for measuring AC current
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FI20020346A0
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Modular electrical energy meter
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FI20001831A0
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Method and apparatus for measuring power in an AC system
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FI108165B
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Current converter for measuring AC current
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FI980335A0
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Statisk elenergimaetare
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AU4832697A
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Current-meter transformer provided with a current divider
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FI974075A0
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Modular measuring device for measuring electrical energy
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FI964948A0
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Power meter transformer equipped with power divider
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FI945232A0
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Method for measuring alternating current, measuring sensor for measuring alternating current and its use in a kWh meter
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FI934060A0
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Static kWh meter
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FI933081A0
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Detection method and equipment for data transmission in the electricity transmission network
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FI931753A0
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Measurement coupling for measuring devices intended for energy measurements in three-phase networks
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