ดาวน์โหลด

ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
E21B0007260000 Drilling without earth removal, e.g. with self-propelled burrowing devices (E21B0007300000 takes precedence;down-hole drives E21B0004000000) 1
E21B0007280000 Enlarging drilled holes, e.g. by counterboring (drill bits for enlarging the borehole E21B0010260000) 1
E21B0007300000 without earth removal 1
E21B0010000000 Drilling tools 1
E21B0010000000 Drill bits (specially adapted for deflecting the direction of boring E21B0007080000; with means for collecting substances E21B0027000000) 1
E21B0010020000 Core bits (characterised by wear resisting parts E21B0010460000; obtaining undisturbed cores E21B0025000000) 1
E21B0010040000 with core destroying means 1
E21B0010060000 Roller core bits 1
E21B0010080000 Roller bits (roller core bits E21B0010060000; with leading portion E21B0010260000; characterised by wear resisting parts E21B0010460000) 1
E21B0010100000 with roller axle supported at both ends (with disc cutters E21B0010120000) 1
E21B0010120000 with disc cutters 1
E21B0010140000 combined with non-rolling cutters other than of leading-portion type 1
E21B0010160000 characterised by tooth form or arrangement 1
E21B0010180000 characterised by conduits or nozzles for drilling fluids (drilling fluid supply to the bearings E21B0010230000) 1
E21B0010200000 characterised by detachable or adjustable parts, e.g. legs or axles (cross axle roller bits E21B0010100000) 1
จำนวนรหัสข้อมูล 15 จาก 73902