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Application filed by Jean BaerfiledCriticalJean Baer
Publication of CH63045ApublicationCriticalpatent/CH63045A/de
CH63045A1913-04-241913-04-24Verfahren zur Herstellung von ausschlagfreien, farbbeständigen, dunkelgefärbten Asbestzement-Kunststein-Platten
CH63045A
(de)