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ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K) 1
H04R0001000000 Details of transducers (diaphragms H04R0007000000; characterised by the nature of the transducer, see the relevant group of main groups H04R0009000000-H04R0023000000; mountings specially adapted for telephone equipment H04M0001020000) 1
H04R0001020000 Casings; Cabinets; Mountings therein (H04R0001280000 takes precedence);; 1
H04R0001040000 Structural association of microphone with electric circuitry therefor (in deaf-aid sets H04R0025000000) 1
H04R0001060000 Arranging circuit leads; Relieving strain on circuit leads 1
H04R0001080000 Mouthpieces; Attachments therefor 1
H04R0001100000 Earpieces; Attachments therefor 1
H04R0001120000 Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection 1
H04R0001140000 Throat mountings for microphones 1
H04R0001160000 Mounting or connecting stylus to transducer with or without damping means 1
H04R0001180000 Holders for styli; Mounting holders on transducers 1
H04R0001200000 Arrangements for obtaining desired frequency or directional characteristics (for stereophonic purposes H04R0005000000) 1
H04R0001220000 for obtaining desired frequency characteristic only 1
H04R0001240000 Structural combinations of separate transducers or of parts of the same transducer and responsive respectively to two or more frequency ranges 1
H04R0001260000 Spatial arrangement of separate transducers responsive to two or more frequency ranges 1
จำนวนรหัสข้อมูล 15 จาก 73902