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B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
B65G33/00—Screw or rotary spiral conveyors
B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
B65G33/18—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing with multiple screws in parallel arrangements, e.g. concentric
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FR1008917D1950-01-201950-01-20Procédé et dispositif pour le transport et la distribution de matières pulvérulentes, granuleuses, humides, etc.
ExpiredFR1008917A
(fr)