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Hutchinson Compagnie National du Cautchouc
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Hutchinson Compagnie National du Cautchouc
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Publication of FR792497ApublicationCriticalpatent/FR792497A/fr
A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
A62D5/00—Composition of materials for coverings or clothing affording protection against harmful chemical agents
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FR792497D1934-10-051934-10-05Perfectionnement dans l'imperméabilisation des tissus aux gaz et aux vapeurs
ExpiredFR792497A
(fr)