backing off device [= relieving device]

(+)Testing device for heat lock-on pre

(pressure)gauge with transmission device

10kV standby power supply automatic switching device

1-wire bus device

24 bit Earthquake Data Acquisition Device

2-D input device

2-up-down device

3-D data of device location

3-D grounding device

3-dimensional exact orientation device

3G device

4WD control device

4πβ(PC)-γ coincidence standard device

55nm logic device

5-link device

5-preventive device

5-rod device

64D earthing protection device