ข้อมูลArrangements along running rails or at joints thereof for current-conduction or insulation, e.g. safety devices for reducing earth currents (insulating rail joints E01B0011540000; conductive connections between rails in general H01R0004000000, e.g. H01R0004640000)

เวอร์ชั่นข้อมูล

เวอร์ชั่น รหัส / code คำอธิบาย / code name เครื่องมือ
1 B60M0005000000 Arrangements along running rails or at joints thereof for current-conduction or insulation, e.g. safety devices for reducing earth currents (insulating rail joints E01B0011540000; conductive connections between rails in general H01R0004000000, e.g. H01R0004640000) 29/09/2562