4. Metallurgical apparatus
  5. Means for melting or vaporizing metal or treating liquefied...
  6. By providing, treating or protecting environment, e.g., vacuum

Franz Dellen

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Apparatus for the protection of a liquid against the effects of

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By providing – treating or protecting environment – e.g. – vacuum
Patent

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Controllable two way valve device

Internal-combustion engines – Charge forming device – Exhaust gas used with the combustible mixture
Reexamination Certificate

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Controllable two way valve device

Internal-combustion engines – Charge forming device – Exhaust gas used with the combustible mixture
Reexamination Certificate

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Pressure relief means for a thin wall, air intake pipe for an in

Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent

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Profile ID: LFUS-PAI-P-882904

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