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Application filed by Hans Ing BaertschifiledCriticalHans Ing Baertschi
Application grantedgrantedCritical
Publication of AT170712BpublicationCriticalpatent/AT170712B/de
AT170712D1948-07-071948-07-07Verbindung einer dünnwandigen Leitung mit mindestens einem seitlichen Stutzen an Absaugeanlagen von Spinnmaschinen
AT170712B
(de)