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ES110844A1
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A lead electrode for zinc-based electric accumulators.
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ES110843A1
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A lead electrode for electric accumulators.
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ES107671A1
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A system to operate the electric accumulators of lead and zinc.
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ES105608A1
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A negative electrode for electric accumulators.
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CA215170A
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Method of preventing loss of zinc in electric batteries
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CA208368A
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Manufacture of celluloid vessels
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CA211182A
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Negative plate for electrie accumulators
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CA320983A
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Negative electrode for electric accumulators
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CA215169A
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Negative plate for electric accumulators
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CA232037A
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Accumulator
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CA215168A
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Negative plate for electric batteries
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CA211181A
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Negative plate for electrie accumulators
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CA232038A
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Means of connecting batteries having soluble electrodes
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CA298594A
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Negative electrode for zinc electric accumulators
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CA317172A
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Zinc-lead accumulator
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CA302725A
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Electric accumulator
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CA300924A
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Lead electrode for accumulators
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CA310319A
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Electric accumulator
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CA211180A
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Negative plate for electrie accumulators
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