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Sperry Products Inc
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Sperry Products Inc
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Publication of FR841159ApublicationCriticalpatent/FR841159A/fr
G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
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FR841159D1938-07-251938-07-25Perfectionnements aux procédés et aux appareils pour déceler des défauts dans unobjet métallique
ExpiredFR841159A
(fr)