4. Electric power conversion systems
  5. Current conversion
  6. Including d.c.-a.c.-d.c. converter

Hans Leopold

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AC/DC voltage converter

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent

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Apparatus for density determination

Measuring and testing – Gas analysis – Density or specific gravity
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Apparatus for determining the density of liquids and gases from

Boots – shoes – and leggings
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Apparatus for determining the density of liquids and gases from

Measuring and testing – Specific gravity or density of liquid or solid
Patent

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Density measuring instrument

Measuring and testing – Specific gravity or density of liquid or solid
Patent

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Profile ID: LFUS-PAI-P-611586

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