4. Special receptacle or package
  5. Evacuated

William J. Walters

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Altitude compensated nonlinear vacuum spark advance control syst

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

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Altitude compensated vacuum regulating valve

Fluid handling – Self-proportioning or correlating systems – Supply and exhaust type
Patent

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Pressure vacuum release hermetic valve for flexible packages

Special receptacle or package – Evacuated
Patent

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Pressure vacuum release hermetic valve for flexible packages

Special receptacle or package – Evacuated
Patent

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Vacuum retard delay valve

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

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Profile ID: LFUS-PAI-P-398445

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