FR451194A - Dispositif d'appareil pneumatique à soufflerie aspirante, applicable à la manoeuvre automatique des harmoniums à vent à pression
- Google Patents
Dispositif d'appareil pneumatique à soufflerie aspirante, applicable à la manoeuvre automatique des harmoniums à vent à pression
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LEON CHARLES HADROT
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LEON CHARLES HADROT
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FR451194D1912-11-291912-11-29Dispositif d'appareil pneumatique à soufflerie aspirante, applicable à la manoeuvre automatique des harmoniums à vent à pression
ExpiredFR451194A
(fr)
Accouplement pour tuyaux flexibles avec dispositif obturateur du passage d'écoulement, plus spécialement, applicable aux freins à l'air comprimé ou par le vide