US4197176A
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Apparatus for measuring surface characteristics of metals and metalloids
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US4133722A
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Process for determining properties of materials
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US4006063A
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Method for measuring surface characteristics of metals and metalloids
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DE2443103A1
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Body feeler electrode for diagnostic test - has electrolyte forming part of solid body rolled over surface while potential is registered
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CA1049101A
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Diagnostic electrical scanning
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CH600860A5
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Body feeler electrode for diagnostic test
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DE2150159A1
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Chemical/mechanical surface defects detection - in metals or metalliods, by electrolytic method
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