FR384786A - Appareil électro-magnétique propre à déterminer la dureté des métaux paramagnétiques, et particulièrement de l'acier et du fer
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Appareil électro-magnétique propre à déterminer la dureté des métaux paramagnétiques, et particulièrement de l'acier et du fer
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Paul Grosch Nachfolger Schimunek & Cdeg
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Paul Grosch Nachfolger Schimunek & Cdeg
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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
G01N27/80—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating mechanical hardness, e.g. by investigating saturation or remanence of ferromagnetic material
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FR384786D1907-12-061907-12-06Appareil électro-magnétique propre à déterminer la dureté des métaux paramagnétiques, et particulièrement de l'acier et du fer
ExpiredFR384786A
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