72105979
Oct 7, 1960
Nov 21, 1961
GUSTAV F. GERDTS KG.
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Pressure Regulators, Reduction Valves, Steam Technical Apparatus, Devices and Machine Parts-Namely, Safety Valves, Locking Valves, Slides and Faucets, Disalting Valves and Silt and Sludge Removing Valves