Magnetic, electromagnetic, acoustic or radiation systems, e.g. ground penetrating radars or metal-detectors

Full Title

Defence installations; Defence devices (constructional aspects see Section E, e.g. E04H9/04; ) > Means for clearing land minefields; Systems specially adapted for detection of landmines > Systems specially adapted for detection of landmines > Magnetic, electromagnetic, acoustic or radiation systems, e.g. ground penetrating radars or metal-detectors