ข้อมูลTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS OR NUTS, IN CONJUNCTION THEREWITH (thread-forming by corrugating tubes B21D0015040000, by rolling B21H0003020000, by forging, pressing or hammering B21K0001560000; making helical grooves by turning B23B0005480000, by milling B23C0003320000, by grinding B24B0019020000; arrangements for copying or controlling B23Q)


เวอร์ชั่นข้อมูล

เวอร์ชั่น รหัส / code คำอธิบาย / code name เครื่องมือ
1 B23G THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS OR NUTS, IN CONJUNCTION THEREWITH (thread-forming by corrugating tubes B21D0015040000, by rolling B21H0003020000, by forging, pressing or hammering B21K0001560000; making helical grooves by turning B23B0005480000, by milling B23C0003320000, by grinding B24B0019020000; arrangements for copying or controlling B23Q) 29/09/2562