72338053
Sep 16, 1969
Mar 14, 1972
HUMPHREYS CORPORATION
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LIGHT SOURCES, CONTROL CONSOLES, POWER SUPPLIES
POWDER FEEDERS, PARTICLE SEPARATORS
CHEMICAL REACTORS, CRYSTAL GROWING SYSTEMS, CALORIMETERS, GAS SAMPLE PROBES, METAL INJECTION PROBES
INDUCTION PLASMA TORCHES, D.C. PLASMA TORCHES