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G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
G01N9/26—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring pressure differences
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CH341334D1956-07-121957-06-17Procédé pour la détermination continue du poids spécifique de liquides et dispositif pour la mise en oeuvre de ce procédé
CH341334A
(fr)
Procédé pour engendrer des oscillations notamment dans des transporteurs circulaires, en spirale ou hélicoïdaux, et dispositif pour la mise en oeuvre de ce procédé