4. Metal treatment
  5. Process of modifying or maintaining internal physical...
  6. Chemical-heat removing or burning of metal

Yoshihisa Fujii

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Apparatus for hardening steel pipes

Metallurgical apparatus – With control means responsive to sensed condition – With means responsive to condition of treated material
Patent

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Engine exhaust gas cleaning system

Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...
Reexamination Certificate

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Engine exhaust gas purifying apparatus

Power plants – Internal combustion engine with treatment or handling of... – Having sensor or indicator of malfunction – unsafeness – or...
Reexamination Certificate

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Exhaust gas cleaning system for an engine

Gas separation: apparatus – Solid sorbent apparatus – With control means responsive to sensed condition
Reexamination Certificate

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Flaw detector for pipe employing magnets located outside the pip

Electricity: measuring and testing – Magnetic – Magnetic sensor within material
Patent

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Profile ID: LFUS-PAI-P-15880

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