Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
Manufactures des Glaces et Produits Chimiques de Saint Gobain SA
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Filing date
Publication date
Application filed by Compagnie de Saint Gobain SA, Manufactures des Glaces et Produits Chimiques de Saint Gobain SAfiledCriticalCompagnie de Saint Gobain SA
Priority to FR758374ApriorityCriticalpatent/FR72954E/fr
Application grantedgrantedCritical
Publication of FR72954EpublicationCriticalpatent/FR72954E/fr
G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
G01N22/02—Investigating the presence of flaws
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Physics & Mathematics
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Electromagnetism
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Health & Medical Sciences
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Life Sciences & Earth Sciences
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Chemical & Material Sciences
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Analytical Chemistry
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Biochemistry
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General Health & Medical Sciences
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General Physics & Mathematics
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Immunology
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(AREA)
FR758374A1958-02-171958-02-17Procédé et dispositif pour la recherche de défauts à l'intérieur ou à la surface d'un matériau
ExpiredFR72954E
(fr)