ข้อมูลDetails 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)


เวอร์ชั่นข้อมูล

เวอร์ชั่น รหัส / code คำอธิบาย / code name เครื่องมือ
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) 29/09/2562