4. Measuring and testing
  5. Specific gravity or density of liquid or solid
  6. Multiple floats of graduated density

Feng-Yi Deng

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Concentration detector

Measuring and testing – Specific gravity or density of liquid or solid – Multiple floats of graduated density
Reexamination Certificate

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Concentration detector and fuel supplier with said detector

Measuring and testing – Specific gravity or density of liquid or solid – Multiple floats of graduated density
Reexamination Certificate

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Flat panel direct methanol fuel cell and method of making...

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate

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Flat panel direct methanol fuel cell and method of making...

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate

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Fuel cell device with compound power supply

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2426145

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