ข้อมูลthe synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference


เวอร์ชั่นข้อมูล

เวอร์ชั่น รหัส / code คำอธิบาย / code name เครื่องมือ
1 G01S0001300000 the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference 29/09/2562