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Shaft sealing device for pumping sterile liq(s). - has sterile sealing fluid which is compatible with, and may be metabolised by, the product which circulated through chamber between two shaft seals
Guido Kisch, Humanismus und Jurisprudenz. Der Kampf zwischen mos italicus und mos gallicus an der Universität Basel. Basler Studien zur Rechtswissenschaft, Heft 42