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ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL 1
B21C0001000000 Metal drawing 1
B21C0001000000 Manufacture of metal sheets, wire, rods,; tubesor like semi-manufactured productsby drawing 1
B21C0001020000 Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums 1
B21C0001040000 with two or more dies operating in series 1
B21C0001060000 in which the material slips on the drums 1
B21C0001080000 in which the material does not slip on the drums 1
B21C0001100000 with accumulation of material between consecutively-arranged dies 1
B21C0001120000 Regulating or controlling speed of drawing drums, e.g. to influence tension; Drives; Stop or relief mechanisms (couplings for drums B21C0001140000; design or construction of electrical equipment, see the relevant classes); 1
B21C0001140000 Drums, e.g. capstans (capstans or winches in general B66D); Connection of grippers thereto; Grippers specially adapted for drawing machines or apparatus of the drum type; Couplings specially adapted for these drums 1
B21C0001160000 Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods; or tubes 1
B21C0001180000 from stock of limited length (B21C0001220000 takes precedence);; 1
B21C0001200000 from stock of essentially unlimited length (B21C0001220000 takes precedence);; 1
B21C0001220000 specially adapted for making tubular articles (bending sheet metal into tubular form by drawing B21D0005100000) 1
B21C0001240000 by means of mandrels (mandrels B21C0003160000) 1
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