4. Chemistry: electrical current producing apparatus, product, and
  5. Means externally releasing internal gas pressure from closed...

Naoyoshi Hinotsu

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Sealed rectangular battery and manufacturing method for the...

Chemistry: electrical current producing apparatus – product – and – Means externally releasing internal gas pressure from closed... – Elastic – resilient or spring biasing valve means
Reexamination Certificate

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Sealed storage battery

Chemistry: electrical current producing apparatus – product – and – Means externally releasing internal gas pressure from closed...
Patent

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Sealed storage battery and manufacturing method thereof

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Profile ID: LFUS-PAI-P-153849

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