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Publication of FR771019ApublicationCriticalpatent/FR771019A/en
B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
B65D47/00—Closures with filling and discharging, or with discharging, devices
B65D47/04—Closures with discharging devices other than pumps
B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
FR771019D1933-06-201933-06-20
Improvements in methods for restricting the flow of liquids in a single direction, and corresponding apparatus
ExpiredFR771019A
(en)