4. Chemistry of inorganic compounds
  5. Hydrogen or compound thereof
  6. Elemental hydrogen

Robert T. Hoffman

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Controllable gas generator

Chemistry of inorganic compounds – Hydrogen or compound thereof – Elemental hydrogen
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Controlled gas generator system

Ships – Vessel raising and docking – Submerged
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Instantaneous start and stop gas generator

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Including means separating reaction chamber into plural...
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Salvage apparatus and method

Ships – Vessel raising and docking – Submerged
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Submersible load cell for measuring gas buoyancy

Measuring and testing – Specific gravity or density of liquid or solid – Hydrostatic pressure type
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Profile ID: LFUS-PAI-P-251368

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