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Chemistry: electrical current producing apparatus, product, and
Having specified venting, feeding or circulation structure
Having means to control electrolyte level when liquid is...
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Metal-alloy air battery
Chemistry: electrical current producing apparatus – product – and – Having specified venting – feeding or circulation structure – Having means to control electrolyte level when liquid is...
Patent
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Multi-cellular electrical battery
Chemistry: electrical current producing apparatus – product – and – Having specified venting – feeding or circulation structure – Having means to control electrolyte level when liquid is...
Reexamination Certificate
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