Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials

Full Title

Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof > Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials

Child Classifications

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• F01L 3/04 Coated valve members or valve-seats