FR424472A - Dispositif pour assurer l'étanchéité des joints des corps creux intercalés dans des conduites et rapidement interchangeables
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Dispositif pour assurer l'étanchéité des joints des corps creux intercalés dans des conduites et rapidement interchangeables
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Draegerwerk AG and Co KGaA
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Draegerwerk AG and Co KGaA
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A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
A62B7/00—Respiratory apparatus
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FR424472D1910-01-291910-12-30Dispositif pour assurer l'étanchéité des joints des corps creux intercalés dans des conduites et rapidement interchangeables
ExpiredFR424472A
(fr)
Perfectionnements apportés aux joints pour assurer l'étanchéité, notamment entre un milieu gazeux et un milieu liquide, comme ceux intervenant dans les chasses d'eau