4. Alloys or metallic compositions
  5. Ferrous
  6. Eight percent or more manganese containing

Youichi Sugiyama

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Heat exchanger

Heat exchange – Flow passages for two confined fluids – Interdigitated plural first and plural second fluid passages
Reexamination Certificate

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Heat exchanger

Heat exchange – Flow passages for two confined fluids – Interdigitated plural first and plural second fluid passages
Reexamination Certificate

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Heat exchanger and heat exchanger ventilator

Heat exchange – Flow passages for two confined fluids – Interdigitated plural first and plural second fluid passages
Reexamination Certificate

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Opposed flow heat exchanger

Heat exchange – Flow passages for two confined fluids – Interdigitated plural first and plural second fluid passages
Patent

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Total heat exchanging element

Heat exchange – With coated – roughened or polished surface
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1044513

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