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FR Patent: FR-34,536
Valve de régulateur
Regulator valve
Patentees:
Henri Flaud (exact or similar names) - Paris, France
Henri Giffard (exact or similar names) - Paris, France

USPTO Classifications:

Tool Categories:
propulsion and energy : steam engines : steam engine valves

Assignees:
None

Manufacturer:
Flaud et Giffard - Paris, France

Witnesses:
Unknown
Patent Dates:
Granted: Nov. 26, 1857

Patent Pictures:
Espacenet patent
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