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International Gas Detectors Ltd
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International Gas Detectors Ltd
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Application filed by International Gas Detectors LtdfiledCriticalInternational Gas Detectors Ltd
Priority to FR794538ApriorityCriticalpatent/FR1242866A/fr
Application grantedgrantedCritical
Publication of FR1242866ApublicationCriticalpatent/FR1242866A/fr
G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
G01N7/10—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing diffusion of components through a porous wall and measuring a pressure or volume difference
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Analytical Chemistry
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FR794538A1959-05-131959-05-13Appareil pour détecter et révéler la présence d'un gaz ou d'une vapeur
ExpiredFR1242866A
(fr)