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GB1040521A
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Manufacture of magnetic cores
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GB1089684A
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Electrical core manufacture
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CA760153A
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Electrical core manufacture
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CA789162A
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Transformers with leak- and corona-free direct electrical connections
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CA597351A
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Adjustable cutting dies
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CA730280A
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Windings for electrical induction apparatus
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CA605948A
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Electrical testing apparatus
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CA643163A
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Lightning arrester for transformer protection
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CA626888A
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High-voltage bushing
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CA615807A
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Three-phase cores for electrical induction apparatus
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CA671843A
|
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Magnetic cores
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CA546951A
|
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Method of producing magnetic core loops for electrical induction apparatus
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CA729802A
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Electrical induction apparatus and fabrication
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CA547298A
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Core cutting machines
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CA611799A
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Constant current transformers
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CA607542A
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Methods and apparatus for making magnetic cores
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CA627687A
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Shielded electrical leads
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CA615855A
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Liquid-immersed electrical device
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CA601070A
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Current divider circuit
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CA559338A
|
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Cores for electrical induction apparatus
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