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MSA Safety Inc
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Mine Safety Appliances Co
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Priority claimed from US292937Aexternal-prioritypatent/US3312527A/en
Application filed by Mine Safety Appliances CofiledCriticalMine Safety Appliances Co
Priority to FR980738ApriorityCriticalpatent/FR1400207A/fr
Application grantedgrantedCritical
Publication of FR1400207ApublicationCriticalpatent/FR1400207A/fr
G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
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FR980738A1963-07-051964-07-04Procédé de dosage de l'oxyde de carbone, cartouche ou similaire pour la mise en oeuvre du procédé
ExpiredFR1400207A
(fr)