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Waste water treatment apparatus
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Eddy current test system including a member of high permeability material effective to concentrate flux in a very small region of a part
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System for processing of steel billets or the like to remove surface defects
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Method for non-destructive testing of a magnetizable workpiece under cold weather conditions using a magnetic particle bath
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Fluorescent magnetic composition and method of making and using same
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Non-destructive testing system with dual scanning
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Device and method of controlling plating
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Apparatus and methods for control in plating
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Surface treating and testing apparatus
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Pipeline inspection apparatus
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Atmosphere control for photographic pipeline inspection
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Spinning probe apparatus for inspection of bolt holes and the like
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Sensor for detection of weld beads or the like
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Magnetizing current supply for magnetic particle inspection with SCR's connected to three-phase secondary windings for rectification and control
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Photographic pipeline inspection apparatus including an optical port wiper
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Pipeline inspection apparatus
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High temperature penetrant system
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Method for inspecting steel billets with a dry mixture of magnetic particles and a water soluble carrier solid
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Indicating system for use in nondestructive testing
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Nondestructive testing system having automatic set-up means
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